Home / 10,330.22-15,497.51-5,398.54

Finding the Fourth Proportional to 10,330.22, 15,497.51 and 5,398.54

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Solution

The fourth proportional to 10,330.22, 15,497.51 and 5,398.54 is: 8,098.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.22 : 15,497.51 = 5,398.54 : x
  2. Step 2: Convert to fraction form
    10,330.22/15,497.51 = 5,398.54/x
  3. Step 3: Cross multiply
    10,330.22x = 15,497.51 × 5,398.54
  4. Step 4: Simplify right side
    10,330.22x = 83,663,927.64
  5. Step 5: Solve for x
    x = 83,663,927.64/10,330.22
  6. Step 6: Final answer
    x = 8,098.95

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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.