Home / 19,542.39-29,313.17-4,751.38

Finding the Fourth Proportional to 19,542.39, 29,313.17 and 4,751.38

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Solution

The fourth proportional to 19,542.39, 29,313.17 and 4,751.38 is: 7,126.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.39 : 29,313.17 = 4,751.38 : x
  2. Step 2: Convert to fraction form
    19,542.39/29,313.17 = 4,751.38/x
  3. Step 3: Cross multiply
    19,542.39x = 29,313.17 × 4,751.38
  4. Step 4: Simplify right side
    19,542.39x = 139,278,009.67
  5. Step 5: Solve for x
    x = 139,278,009.67/19,542.39
  6. Step 6: Final answer
    x = 7,126.97

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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.