Home / 15,484.17-21,371.27-9,195.33

Finding the Fourth Proportional to 15,484.17, 21,371.27 and 9,195.33

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Solution

The fourth proportional to 15,484.17, 21,371.27 and 9,195.33 is: 12,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,484.17 : 21,371.27 = 9,195.33 : x
  2. Step 2: Convert to fraction form
    15,484.17/21,371.27 = 9,195.33/x
  3. Step 3: Cross multiply
    15,484.17x = 21,371.27 × 9,195.33
  4. Step 4: Simplify right side
    15,484.17x = 196,515,834.19
  5. Step 5: Solve for x
    x = 196,515,834.19/15,484.17
  6. Step 6: Final answer
    x = 12,691.40

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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.