Home / 16,781.29-25,155.50-6,928.85

Finding the Fourth Proportional to 16,781.29, 25,155.50 and 6,928.85

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Solution

The fourth proportional to 16,781.29, 25,155.50 and 6,928.85 is: 10,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.29 : 25,155.50 = 6,928.85 : x
  2. Step 2: Convert to fraction form
    16,781.29/25,155.50 = 6,928.85/x
  3. Step 3: Cross multiply
    16,781.29x = 25,155.50 × 6,928.85
  4. Step 4: Simplify right side
    16,781.29x = 174,298,686.18
  5. Step 5: Solve for x
    x = 174,298,686.18/16,781.29
  6. Step 6: Final answer
    x = 10,386.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.