Home / 15,187.75-22,781.52-4,657.75

Finding the Fourth Proportional to 15,187.75, 22,781.52 and 4,657.75

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Solution

The fourth proportional to 15,187.75, 22,781.52 and 4,657.75 is: 6,986.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,187.75 : 22,781.52 = 4,657.75 : x
  2. Step 2: Convert to fraction form
    15,187.75/22,781.52 = 4,657.75/x
  3. Step 3: Cross multiply
    15,187.75x = 22,781.52 × 4,657.75
  4. Step 4: Simplify right side
    15,187.75x = 106,110,624.78
  5. Step 5: Solve for x
    x = 106,110,624.78/15,187.75
  6. Step 6: Final answer
    x = 6,986.59

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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.