Home / 22,612.23-31,206.75-12,543.92

Finding the Fourth Proportional to 22,612.23, 31,206.75 and 12,543.92

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Solution

The fourth proportional to 22,612.23, 31,206.75 and 12,543.92 is: 17,311.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,612.23 : 31,206.75 = 12,543.92 : x
  2. Step 2: Convert to fraction form
    22,612.23/31,206.75 = 12,543.92/x
  3. Step 3: Cross multiply
    22,612.23x = 31,206.75 × 12,543.92
  4. Step 4: Simplify right side
    22,612.23x = 391,454,924.69
  5. Step 5: Solve for x
    x = 391,454,924.69/22,612.23
  6. Step 6: Final answer
    x = 17,311.64

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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.