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Finding the Fourth Proportional to 10,599.78, 15,899.67 and 4,752.30

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Solution

The fourth proportional to 10,599.78, 15,899.67 and 4,752.30 is: 7,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,599.78 : 15,899.67 = 4,752.30 : x
  2. Step 2: Convert to fraction form
    10,599.78/15,899.67 = 4,752.30/x
  3. Step 3: Cross multiply
    10,599.78x = 15,899.67 × 4,752.30
  4. Step 4: Simplify right side
    10,599.78x = 75,560,001.74
  5. Step 5: Solve for x
    x = 75,560,001.74/10,599.78
  6. Step 6: Final answer
    x = 7,128.45

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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.