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Finding the Fourth Proportional to 10,350.70, 15,526.05 and 7,726.30

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Solution

The fourth proportional to 10,350.70, 15,526.05 and 7,726.30 is: 11,589.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.70 : 15,526.05 = 7,726.30 : x
  2. Step 2: Convert to fraction form
    10,350.70/15,526.05 = 7,726.30/x
  3. Step 3: Cross multiply
    10,350.70x = 15,526.05 × 7,726.30
  4. Step 4: Simplify right side
    10,350.70x = 119,958,920.12
  5. Step 5: Solve for x
    x = 119,958,920.12/10,350.70
  6. Step 6: Final answer
    x = 11,589.45

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Similar ratio
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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.