Home / 15,535.53-21,439.08-9,247.50

Finding the Fourth Proportional to 15,535.53, 21,439.08 and 9,247.50

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Solution

The fourth proportional to 15,535.53, 21,439.08 and 9,247.50 is: 12,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.53 : 21,439.08 = 9,247.50 : x
  2. Step 2: Convert to fraction form
    15,535.53/21,439.08 = 9,247.50/x
  3. Step 3: Cross multiply
    15,535.53x = 21,439.08 × 9,247.50
  4. Step 4: Simplify right side
    15,535.53x = 198,257,892.30
  5. Step 5: Solve for x
    x = 198,257,892.30/15,535.53
  6. Step 6: Final answer
    x = 12,761.58

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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.