Home / 19,590.78-29,391.14-9,068.39

Finding the Fourth Proportional to 19,590.78, 29,391.14 and 9,068.39

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Solution

The fourth proportional to 19,590.78, 29,391.14 and 9,068.39 is: 13,604.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.78 : 29,391.14 = 9,068.39 : x
  2. Step 2: Convert to fraction form
    19,590.78/29,391.14 = 9,068.39/x
  3. Step 3: Cross multiply
    19,590.78x = 29,391.14 × 9,068.39
  4. Step 4: Simplify right side
    19,590.78x = 266,530,195.78
  5. Step 5: Solve for x
    x = 266,530,195.78/19,590.78
  6. Step 6: Final answer
    x = 13,604.88

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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.