Home / 21,516.92-32,280.57-7,474.90

Finding the Fourth Proportional to 21,516.92, 32,280.57 and 7,474.90

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Solution

The fourth proportional to 21,516.92, 32,280.57 and 7,474.90 is: 11,214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,516.92 : 32,280.57 = 7,474.90 : x
  2. Step 2: Convert to fraction form
    21,516.92/32,280.57 = 7,474.90/x
  3. Step 3: Cross multiply
    21,516.92x = 32,280.57 × 7,474.90
  4. Step 4: Simplify right side
    21,516.92x = 241,293,995.32
  5. Step 5: Solve for x
    x = 241,293,995.32/21,516.92
  6. Step 6: Final answer
    x = 11,214.15

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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.