Home / 22,331.15-30,818.10-12,259.52

Finding the Fourth Proportional to 22,331.15, 30,818.10 and 12,259.52

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Solution

The fourth proportional to 22,331.15, 30,818.10 and 12,259.52 is: 16,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,331.15 : 30,818.10 = 12,259.52 : x
  2. Step 2: Convert to fraction form
    22,331.15/30,818.10 = 12,259.52/x
  3. Step 3: Cross multiply
    22,331.15x = 30,818.10 × 12,259.52
  4. Step 4: Simplify right side
    22,331.15x = 377,815,113.31
  5. Step 5: Solve for x
    x = 377,815,113.31/22,331.15
  6. Step 6: Final answer
    x = 16,918.75

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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.