Home / 15,285.80-22,938.87-6,287.30

Finding the Fourth Proportional to 15,285.80, 22,938.87 and 6,287.30

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Solution

The fourth proportional to 15,285.80, 22,938.87 and 6,287.30 is: 9,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285.80 : 22,938.87 = 6,287.30 : x
  2. Step 2: Convert to fraction form
    15,285.80/22,938.87 = 6,287.30/x
  3. Step 3: Cross multiply
    15,285.80x = 22,938.87 × 6,287.30
  4. Step 4: Simplify right side
    15,285.80x = 144,223,557.35
  5. Step 5: Solve for x
    x = 144,223,557.35/15,285.80
  6. Step 6: Final answer
    x = 9,435.13

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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.