Home / 10,292.52-15,431.22-5,097.18

Finding the Fourth Proportional to 10,292.52, 15,431.22 and 5,097.18

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Solution

The fourth proportional to 10,292.52, 15,431.22 and 5,097.18 is: 7,642.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.52 : 15,431.22 = 5,097.18 : x
  2. Step 2: Convert to fraction form
    10,292.52/15,431.22 = 5,097.18/x
  3. Step 3: Cross multiply
    10,292.52x = 15,431.22 × 5,097.18
  4. Step 4: Simplify right side
    10,292.52x = 78,655,705.96
  5. Step 5: Solve for x
    x = 78,655,705.96/10,292.52
  6. Step 6: Final answer
    x = 7,642.03

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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.