Home / 16,877.80-25,332.90-8,567.20

Finding the Fourth Proportional to 16,877.80, 25,332.90 and 8,567.20

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Solution

The fourth proportional to 16,877.80, 25,332.90 and 8,567.20 is: 12,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,877.80 : 25,332.90 = 8,567.20 : x
  2. Step 2: Convert to fraction form
    16,877.80/25,332.90 = 8,567.20/x
  3. Step 3: Cross multiply
    16,877.80x = 25,332.90 × 8,567.20
  4. Step 4: Simplify right side
    16,877.80x = 217,032,020.88
  5. Step 5: Solve for x
    x = 217,032,020.88/16,877.80
  6. Step 6: Final answer
    x = 12,859.02

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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.