Home / 13,149.61-19,730.56-5,753.11

Finding the Fourth Proportional to 13,149.61, 19,730.56 and 5,753.11

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Solution

The fourth proportional to 13,149.61, 19,730.56 and 5,753.11 is: 8,632.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.61 : 19,730.56 = 5,753.11 : x
  2. Step 2: Convert to fraction form
    13,149.61/19,730.56 = 5,753.11/x
  3. Step 3: Cross multiply
    13,149.61x = 19,730.56 × 5,753.11
  4. Step 4: Simplify right side
    13,149.61x = 113,512,082.04
  5. Step 5: Solve for x
    x = 113,512,082.04/13,149.61
  6. Step 6: Final answer
    x = 8,632.35

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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.