Home / 15,949.89-22,011.45-8,877.36

Finding the Fourth Proportional to 15,949.89, 22,011.45 and 8,877.36

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Solution

The fourth proportional to 15,949.89, 22,011.45 and 8,877.36 is: 12,251.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.89 : 22,011.45 = 8,877.36 : x
  2. Step 2: Convert to fraction form
    15,949.89/22,011.45 = 8,877.36/x
  3. Step 3: Cross multiply
    15,949.89x = 22,011.45 × 8,877.36
  4. Step 4: Simplify right side
    15,949.89x = 195,403,565.77
  5. Step 5: Solve for x
    x = 195,403,565.77/15,949.89
  6. Step 6: Final answer
    x = 12,251.09

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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.