Home / 21,631.16-32,451.66-9,152.24

Finding the Fourth Proportional to 21,631.16, 32,451.66 and 9,152.24

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Solution

The fourth proportional to 21,631.16, 32,451.66 and 9,152.24 is: 13,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631.16 : 32,451.66 = 9,152.24 : x
  2. Step 2: Convert to fraction form
    21,631.16/32,451.66 = 9,152.24/x
  3. Step 3: Cross multiply
    21,631.16x = 32,451.66 × 9,152.24
  4. Step 4: Simplify right side
    21,631.16x = 297,005,380.72
  5. Step 5: Solve for x
    x = 297,005,380.72/21,631.16
  6. Step 6: Final answer
    x = 13,730.44

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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.