Home / 10,553.52-15,816.54-4,306.20

Finding the Fourth Proportional to 10,553.52, 15,816.54 and 4,306.20

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Solution

The fourth proportional to 10,553.52, 15,816.54 and 4,306.20 is: 6,453.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.52 : 15,816.54 = 4,306.20 : x
  2. Step 2: Convert to fraction form
    10,553.52/15,816.54 = 4,306.20/x
  3. Step 3: Cross multiply
    10,553.52x = 15,816.54 × 4,306.20
  4. Step 4: Simplify right side
    10,553.52x = 68,109,184.55
  5. Step 5: Solve for x
    x = 68,109,184.55/10,553.52
  6. Step 6: Final answer
    x = 6,453.69

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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.