Home / 21,518.92-32,283.57-7,476.90

Finding the Fourth Proportional to 21,518.92, 32,283.57 and 7,476.90

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Solution

The fourth proportional to 21,518.92, 32,283.57 and 7,476.90 is: 11,217.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,518.92 : 32,283.57 = 7,476.90 : x
  2. Step 2: Convert to fraction form
    21,518.92/32,283.57 = 7,476.90/x
  3. Step 3: Cross multiply
    21,518.92x = 32,283.57 × 7,476.90
  4. Step 4: Simplify right side
    21,518.92x = 241,381,024.53
  5. Step 5: Solve for x
    x = 241,381,024.53/21,518.92
  6. Step 6: Final answer
    x = 11,217.15

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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.