Home / 21,461.83-29,612.18-12,504.24

Finding the Fourth Proportional to 21,461.83, 29,612.18 and 12,504.24

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Solution

The fourth proportional to 21,461.83, 29,612.18 and 12,504.24 is: 17,252.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,461.83 : 29,612.18 = 12,504.24 : x
  2. Step 2: Convert to fraction form
    21,461.83/29,612.18 = 12,504.24/x
  3. Step 3: Cross multiply
    21,461.83x = 29,612.18 × 12,504.24
  4. Step 4: Simplify right side
    21,461.83x = 370,277,836.90
  5. Step 5: Solve for x
    x = 370,277,836.90/21,461.83
  6. Step 6: Final answer
    x = 17,252.86

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Double scale
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1.5x scale

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.