Home / 16,177.50-22,325.49-9,888.66

Finding the Fourth Proportional to 16,177.50, 22,325.49 and 9,888.66

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Solution

The fourth proportional to 16,177.50, 22,325.49 and 9,888.66 is: 13,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,177.50 : 22,325.49 = 9,888.66 : x
  2. Step 2: Convert to fraction form
    16,177.50/22,325.49 = 9,888.66/x
  3. Step 3: Cross multiply
    16,177.50x = 22,325.49 × 9,888.66
  4. Step 4: Simplify right side
    16,177.50x = 220,769,179.94
  5. Step 5: Solve for x
    x = 220,769,179.94/16,177.50
  6. Step 6: Final answer
    x = 13,646.68

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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.