Home / 22,254.86-30,715.08-12,694.70

Finding the Fourth Proportional to 22,254.86, 30,715.08 and 12,694.70

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Solution

The fourth proportional to 22,254.86, 30,715.08 and 12,694.70 is: 17,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,254.86 : 30,715.08 = 12,694.70 : x
  2. Step 2: Convert to fraction form
    22,254.86/30,715.08 = 12,694.70/x
  3. Step 3: Cross multiply
    22,254.86x = 30,715.08 × 12,694.70
  4. Step 4: Simplify right side
    22,254.86x = 389,918,726.08
  5. Step 5: Solve for x
    x = 389,918,726.08/22,254.86
  6. Step 6: Final answer
    x = 17,520.61

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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.