Home / 20,519.38-30,752.33-9,266.35

Finding the Fourth Proportional to 20,519.38, 30,752.33 and 9,266.35

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Solution

The fourth proportional to 20,519.38, 30,752.33 and 9,266.35 is: 13,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,519.38 : 30,752.33 = 9,266.35 : x
  2. Step 2: Convert to fraction form
    20,519.38/30,752.33 = 9,266.35/x
  3. Step 3: Cross multiply
    20,519.38x = 30,752.33 × 9,266.35
  4. Step 4: Simplify right side
    20,519.38x = 284,961,853.10
  5. Step 5: Solve for x
    x = 284,961,853.10/20,519.38
  6. Step 6: Final answer
    x = 13,887.45

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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.