Home / 16,135.60-22,267.05-8,966.68

Finding the Fourth Proportional to 16,135.60, 22,267.05 and 8,966.68

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Solution

The fourth proportional to 16,135.60, 22,267.05 and 8,966.68 is: 12,373.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,135.60 : 22,267.05 = 8,966.68 : x
  2. Step 2: Convert to fraction form
    16,135.60/22,267.05 = 8,966.68/x
  3. Step 3: Cross multiply
    16,135.60x = 22,267.05 × 8,966.68
  4. Step 4: Simplify right side
    16,135.60x = 199,661,550.94
  5. Step 5: Solve for x
    x = 199,661,550.94/16,135.60
  6. Step 6: Final answer
    x = 12,373.98

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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.