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Finding the Fourth Proportional to 15,651.01, 21,599.02 and 8,577.69

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Solution

The fourth proportional to 15,651.01, 21,599.02 and 8,577.69 is: 11,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.01 : 21,599.02 = 8,577.69 : x
  2. Step 2: Convert to fraction form
    15,651.01/21,599.02 = 8,577.69/x
  3. Step 3: Cross multiply
    15,651.01x = 21,599.02 × 8,577.69
  4. Step 4: Simplify right side
    15,651.01x = 185,269,697.86
  5. Step 5: Solve for x
    x = 185,269,697.86/15,651.01
  6. Step 6: Final answer
    x = 11,837.56

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.