Home / 19,167.06-28,754.01-7,479.66

Finding the Fourth Proportional to 19,167.06, 28,754.01 and 7,479.66

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Solution

The fourth proportional to 19,167.06, 28,754.01 and 7,479.66 is: 11,220.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,167.06 : 28,754.01 = 7,479.66 : x
  2. Step 2: Convert to fraction form
    19,167.06/28,754.01 = 7,479.66/x
  3. Step 3: Cross multiply
    19,167.06x = 28,754.01 × 7,479.66
  4. Step 4: Simplify right side
    19,167.06x = 215,070,218.44
  5. Step 5: Solve for x
    x = 215,070,218.44/19,167.06
  6. Step 6: Final answer
    x = 11,220.82

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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.