Home / 12,635.14-17,436.30-7,330.87

Finding the Fourth Proportional to 12,635.14, 17,436.30 and 7,330.87

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Solution

The fourth proportional to 12,635.14, 17,436.30 and 7,330.87 is: 10,116.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.14 : 17,436.30 = 7,330.87 : x
  2. Step 2: Convert to fraction form
    12,635.14/17,436.30 = 7,330.87/x
  3. Step 3: Cross multiply
    12,635.14x = 17,436.30 × 7,330.87
  4. Step 4: Simplify right side
    12,635.14x = 127,823,248.58
  5. Step 5: Solve for x
    x = 127,823,248.58/12,635.14
  6. Step 6: Final answer
    x = 10,116.49

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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.