Home / 22,717.20-31,350.06-12,646.08

Finding the Fourth Proportional to 22,717.20, 31,350.06 and 12,646.08

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Solution

The fourth proportional to 22,717.20, 31,350.06 and 12,646.08 is: 17,451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,717.20 : 31,350.06 = 12,646.08 : x
  2. Step 2: Convert to fraction form
    22,717.20/31,350.06 = 12,646.08/x
  3. Step 3: Cross multiply
    22,717.20x = 31,350.06 × 12,646.08
  4. Step 4: Simplify right side
    22,717.20x = 396,455,366.76
  5. Step 5: Solve for x
    x = 396,455,366.76/22,717.20
  6. Step 6: Final answer
    x = 17,451.77

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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.