Home / 15,652.32-21,600.13-8,940.04

Finding the Fourth Proportional to 15,652.32, 21,600.13 and 8,940.04

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Solution

The fourth proportional to 15,652.32, 21,600.13 and 8,940.04 is: 12,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,652.32 : 21,600.13 = 8,940.04 : x
  2. Step 2: Convert to fraction form
    15,652.32/21,600.13 = 8,940.04/x
  3. Step 3: Cross multiply
    15,652.32x = 21,600.13 × 8,940.04
  4. Step 4: Simplify right side
    15,652.32x = 193,106,026.21
  5. Step 5: Solve for x
    x = 193,106,026.21/15,652.32
  6. Step 6: Final answer
    x = 12,337.21

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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.