Home / 17,931.24-26,872.20-9,147.69

Finding the Fourth Proportional to 17,931.24, 26,872.20 and 9,147.69

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Solution

The fourth proportional to 17,931.24, 26,872.20 and 9,147.69 is: 13,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,931.24 : 26,872.20 = 9,147.69 : x
  2. Step 2: Convert to fraction form
    17,931.24/26,872.20 = 9,147.69/x
  3. Step 3: Cross multiply
    17,931.24x = 26,872.20 × 9,147.69
  4. Step 4: Simplify right side
    17,931.24x = 245,818,555.22
  5. Step 5: Solve for x
    x = 245,818,555.22/17,931.24
  6. Step 6: Final answer
    x = 13,708.95

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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.