Home / 10,348.68-15,443.52-9,241.48

Finding the Fourth Proportional to 10,348.68, 15,443.52 and 9,241.48

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Solution

The fourth proportional to 10,348.68, 15,443.52 and 9,241.48 is: 13,791.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.68 : 15,443.52 = 9,241.48 : x
  2. Step 2: Convert to fraction form
    10,348.68/15,443.52 = 9,241.48/x
  3. Step 3: Cross multiply
    10,348.68x = 15,443.52 × 9,241.48
  4. Step 4: Simplify right side
    10,348.68x = 142,720,981.21
  5. Step 5: Solve for x
    x = 142,720,981.21/10,348.68
  6. Step 6: Final answer
    x = 13,791.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.