Home / 21,513.53-32,272.34-8,366.92

Finding the Fourth Proportional to 21,513.53, 32,272.34 and 8,366.92

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Solution

The fourth proportional to 21,513.53, 32,272.34 and 8,366.92 is: 12,551.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,513.53 : 32,272.34 = 8,366.92 : x
  2. Step 2: Convert to fraction form
    21,513.53/32,272.34 = 8,366.92/x
  3. Step 3: Cross multiply
    21,513.53x = 32,272.34 × 8,366.92
  4. Step 4: Simplify right side
    21,513.53x = 270,019,964.48
  5. Step 5: Solve for x
    x = 270,019,964.48/21,513.53
  6. Step 6: Final answer
    x = 12,551.17

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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.