Home / 22,426.85-30,947.45-12,354.71

Finding the Fourth Proportional to 22,426.85, 30,947.45 and 12,354.71

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Solution

The fourth proportional to 22,426.85, 30,947.45 and 12,354.71 is: 17,048.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,426.85 : 30,947.45 = 12,354.71 : x
  2. Step 2: Convert to fraction form
    22,426.85/30,947.45 = 12,354.71/x
  3. Step 3: Cross multiply
    22,426.85x = 30,947.45 × 12,354.71
  4. Step 4: Simplify right side
    22,426.85x = 382,346,553.48
  5. Step 5: Solve for x
    x = 382,346,553.48/22,426.85
  6. Step 6: Final answer
    x = 17,048.61

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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.