Home / 16,677.40-25,008.72-4,988.38

Finding the Fourth Proportional to 16,677.40, 25,008.72 and 4,988.38

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Solution

The fourth proportional to 16,677.40, 25,008.72 and 4,988.38 is: 7,480.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,677.40 : 25,008.72 = 4,988.38 : x
  2. Step 2: Convert to fraction form
    16,677.40/25,008.72 = 4,988.38/x
  3. Step 3: Cross multiply
    16,677.40x = 25,008.72 × 4,988.38
  4. Step 4: Simplify right side
    16,677.40x = 124,752,998.67
  5. Step 5: Solve for x
    x = 124,752,998.67/16,677.40
  6. Step 6: Final answer
    x = 7,480.36

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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.