Home / 17,434.76-26,109.08-9,121.76

Finding the Fourth Proportional to 17,434.76, 26,109.08 and 9,121.76

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Solution

The fourth proportional to 17,434.76, 26,109.08 and 9,121.76 is: 13,660.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,434.76 : 26,109.08 = 9,121.76 : x
  2. Step 2: Convert to fraction form
    17,434.76/26,109.08 = 9,121.76/x
  3. Step 3: Cross multiply
    17,434.76x = 26,109.08 × 9,121.76
  4. Step 4: Simplify right side
    17,434.76x = 238,160,761.58
  5. Step 5: Solve for x
    x = 238,160,761.58/17,434.76
  6. Step 6: Final answer
    x = 13,660.11

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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.