Home / 10,194.47-14,073.64-7,920.73

Finding the Fourth Proportional to 10,194.47, 14,073.64 and 7,920.73

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Solution

The fourth proportional to 10,194.47, 14,073.64 and 7,920.73 is: 10,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,194.47 : 14,073.64 = 7,920.73 : x
  2. Step 2: Convert to fraction form
    10,194.47/14,073.64 = 7,920.73/x
  3. Step 3: Cross multiply
    10,194.47x = 14,073.64 × 7,920.73
  4. Step 4: Simplify right side
    10,194.47x = 111,473,502.56
  5. Step 5: Solve for x
    x = 111,473,502.56/10,194.47
  6. Step 6: Final answer
    x = 10,934.70

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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.