Home / 15,187.26-22,781.04-5,326.77

Finding the Fourth Proportional to 15,187.26, 22,781.04 and 5,326.77

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Solution

The fourth proportional to 15,187.26, 22,781.04 and 5,326.77 is: 7,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,187.26 : 22,781.04 = 5,326.77 : x
  2. Step 2: Convert to fraction form
    15,187.26/22,781.04 = 5,326.77/x
  3. Step 3: Cross multiply
    15,187.26x = 22,781.04 × 5,326.77
  4. Step 4: Simplify right side
    15,187.26x = 121,349,360.44
  5. Step 5: Solve for x
    x = 121,349,360.44/15,187.26
  6. Step 6: Final answer
    x = 7,990.21

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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.