Home / 22,398.79-30,909.66-12,327.22

Finding the Fourth Proportional to 22,398.79, 30,909.66 and 12,327.22

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Solution

The fourth proportional to 22,398.79, 30,909.66 and 12,327.22 is: 17,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,398.79 : 30,909.66 = 12,327.22 : x
  2. Step 2: Convert to fraction form
    22,398.79/30,909.66 = 12,327.22/x
  3. Step 3: Cross multiply
    22,398.79x = 30,909.66 × 12,327.22
  4. Step 4: Simplify right side
    22,398.79x = 381,030,178.95
  5. Step 5: Solve for x
    x = 381,030,178.95/22,398.79
  6. Step 6: Final answer
    x = 17,011.19

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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.