Home / 15,146.99-22,720.59-5,286.23

Finding the Fourth Proportional to 15,146.99, 22,720.59 and 5,286.23

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Solution

The fourth proportional to 15,146.99, 22,720.59 and 5,286.23 is: 7,929.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146.99 : 22,720.59 = 5,286.23 : x
  2. Step 2: Convert to fraction form
    15,146.99/22,720.59 = 5,286.23/x
  3. Step 3: Cross multiply
    15,146.99x = 22,720.59 × 5,286.23
  4. Step 4: Simplify right side
    15,146.99x = 120,106,264.48
  5. Step 5: Solve for x
    x = 120,106,264.48/15,146.99
  6. Step 6: Final answer
    x = 7,929.38

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Half scale
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Double scale
Find fourth proportional to 15,147.99, 22,722.09 and 5,287.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.