Home / 17,439.40-26,143.14-7,575.13

Finding the Fourth Proportional to 17,439.40, 26,143.14 and 7,575.13

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Solution

The fourth proportional to 17,439.40, 26,143.14 and 7,575.13 is: 11,355.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,439.40 : 26,143.14 = 7,575.13 : x
  2. Step 2: Convert to fraction form
    17,439.40/26,143.14 = 7,575.13/x
  3. Step 3: Cross multiply
    17,439.40x = 26,143.14 × 7,575.13
  4. Step 4: Simplify right side
    17,439.40x = 198,037,684.11
  5. Step 5: Solve for x
    x = 198,037,684.11/17,439.40
  6. Step 6: Final answer
    x = 11,355.76

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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.