Home / 22,124.64-30,532.92-12,695.04

Finding the Fourth Proportional to 22,124.64, 30,532.92 and 12,695.04

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Solution

The fourth proportional to 22,124.64, 30,532.92 and 12,695.04 is: 17,519.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,124.64 : 30,532.92 = 12,695.04 : x
  2. Step 2: Convert to fraction form
    22,124.64/30,532.92 = 12,695.04/x
  3. Step 3: Cross multiply
    22,124.64x = 30,532.92 × 12,695.04
  4. Step 4: Simplify right side
    22,124.64x = 387,616,640.72
  5. Step 5: Solve for x
    x = 387,616,640.72/22,124.64
  6. Step 6: Final answer
    x = 17,519.68

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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.