Home / 12,635.57-17,437.20-7,330.48

Finding the Fourth Proportional to 12,635.57, 17,437.20 and 7,330.48

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Solution

The fourth proportional to 12,635.57, 17,437.20 and 7,330.48 is: 10,116.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.57 : 17,437.20 = 7,330.48 : x
  2. Step 2: Convert to fraction form
    12,635.57/17,437.20 = 7,330.48/x
  3. Step 3: Cross multiply
    12,635.57x = 17,437.20 × 7,330.48
  4. Step 4: Simplify right side
    12,635.57x = 127,823,045.86
  5. Step 5: Solve for x
    x = 127,823,045.86/12,635.57
  6. Step 6: Final answer
    x = 10,116.13

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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.