Home / 15,625.20-23,426.49-9,285.05

Finding the Fourth Proportional to 15,625.20, 23,426.49 and 9,285.05

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Solution

The fourth proportional to 15,625.20, 23,426.49 and 9,285.05 is: 13,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625.20 : 23,426.49 = 9,285.05 : x
  2. Step 2: Convert to fraction form
    15,625.20/23,426.49 = 9,285.05/x
  3. Step 3: Cross multiply
    15,625.20x = 23,426.49 × 9,285.05
  4. Step 4: Simplify right side
    15,625.20x = 217,516,084.01
  5. Step 5: Solve for x
    x = 217,516,084.01/15,625.20
  6. Step 6: Final answer
    x = 13,920.85

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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.