Home / 15,651.52-21,600.11-8,577.93

Finding the Fourth Proportional to 15,651.52, 21,600.11 and 8,577.93

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Solution

The fourth proportional to 15,651.52, 21,600.11 and 8,577.93 is: 11,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.52 : 21,600.11 = 8,577.93 : x
  2. Step 2: Convert to fraction form
    15,651.52/21,600.11 = 8,577.93/x
  3. Step 3: Cross multiply
    15,651.52x = 21,600.11 × 8,577.93
  4. Step 4: Simplify right side
    15,651.52x = 185,284,231.57
  5. Step 5: Solve for x
    x = 185,284,231.57/15,651.52
  6. Step 6: Final answer
    x = 11,838.10

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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.