Home / 15,475.79-23,217.18-5,615.06

Finding the Fourth Proportional to 15,475.79, 23,217.18 and 5,615.06

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Solution

The fourth proportional to 15,475.79, 23,217.18 and 5,615.06 is: 8,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475.79 : 23,217.18 = 5,615.06 : x
  2. Step 2: Convert to fraction form
    15,475.79/23,217.18 = 5,615.06/x
  3. Step 3: Cross multiply
    15,475.79x = 23,217.18 × 5,615.06
  4. Step 4: Simplify right side
    15,475.79x = 130,365,753.17
  5. Step 5: Solve for x
    x = 130,365,753.17/15,475.79
  6. Step 6: Final answer
    x = 8,423.85

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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.