Home / 15,185.42-22,729.52-8,148.14

Finding the Fourth Proportional to 15,185.42, 22,729.52 and 8,148.14

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Solution

The fourth proportional to 15,185.42, 22,729.52 and 8,148.14 is: 12,196.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185.42 : 22,729.52 = 8,148.14 : x
  2. Step 2: Convert to fraction form
    15,185.42/22,729.52 = 8,148.14/x
  3. Step 3: Cross multiply
    15,185.42x = 22,729.52 × 8,148.14
  4. Step 4: Simplify right side
    15,185.42x = 185,203,311.09
  5. Step 5: Solve for x
    x = 185,203,311.09/15,185.42
  6. Step 6: Final answer
    x = 12,196.13

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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.