Home / 15,386.46-23,079.72-4,998.21

Finding the Fourth Proportional to 15,386.46, 23,079.72 and 4,998.21

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Solution

The fourth proportional to 15,386.46, 23,079.72 and 4,998.21 is: 7,497.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,386.46 : 23,079.72 = 4,998.21 : x
  2. Step 2: Convert to fraction form
    15,386.46/23,079.72 = 4,998.21/x
  3. Step 3: Cross multiply
    15,386.46x = 23,079.72 × 4,998.21
  4. Step 4: Simplify right side
    15,386.46x = 115,357,287.30
  5. Step 5: Solve for x
    x = 115,357,287.30/15,386.46
  6. Step 6: Final answer
    x = 7,497.32

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Double scale
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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.