Home / 19,765.47-29,651.81-9,377.13

Finding the Fourth Proportional to 19,765.47, 29,651.81 and 9,377.13

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Solution

The fourth proportional to 19,765.47, 29,651.81 and 9,377.13 is: 14,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.47 : 29,651.81 = 9,377.13 : x
  2. Step 2: Convert to fraction form
    19,765.47/29,651.81 = 9,377.13/x
  3. Step 3: Cross multiply
    19,765.47x = 29,651.81 × 9,377.13
  4. Step 4: Simplify right side
    19,765.47x = 278,048,877.11
  5. Step 5: Solve for x
    x = 278,048,877.11/19,765.47
  6. Step 6: Final answer
    x = 14,067.41

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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.