Home / 17,876.28-24,670.43-9,919.38

Finding the Fourth Proportional to 17,876.28, 24,670.43 and 9,919.38

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Solution

The fourth proportional to 17,876.28, 24,670.43 and 9,919.38 is: 13,689.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,876.28 : 24,670.43 = 9,919.38 : x
  2. Step 2: Convert to fraction form
    17,876.28/24,670.43 = 9,919.38/x
  3. Step 3: Cross multiply
    17,876.28x = 24,670.43 × 9,919.38
  4. Step 4: Simplify right side
    17,876.28x = 244,715,320.34
  5. Step 5: Solve for x
    x = 244,715,320.34/17,876.28
  6. Step 6: Final answer
    x = 13,689.39

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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.