Home / 15,845.74-21,867.14-10,180.52

Finding the Fourth Proportional to 15,845.74, 21,867.14 and 10,180.52

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Solution

The fourth proportional to 15,845.74, 21,867.14 and 10,180.52 is: 14,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845.74 : 21,867.14 = 10,180.52 : x
  2. Step 2: Convert to fraction form
    15,845.74/21,867.14 = 10,180.52/x
  3. Step 3: Cross multiply
    15,845.74x = 21,867.14 × 10,180.52
  4. Step 4: Simplify right side
    15,845.74x = 222,618,772.23
  5. Step 5: Solve for x
    x = 222,618,772.23/15,845.74
  6. Step 6: Final answer
    x = 14,049.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.