Home / 15,175.24-20,941.62-8,888.20

Finding the Fourth Proportional to 15,175.24, 20,941.62 and 8,888.20

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Solution

The fourth proportional to 15,175.24, 20,941.62 and 8,888.20 is: 12,265.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,175.24 : 20,941.62 = 8,888.20 : x
  2. Step 2: Convert to fraction form
    15,175.24/20,941.62 = 8,888.20/x
  3. Step 3: Cross multiply
    15,175.24x = 20,941.62 × 8,888.20
  4. Step 4: Simplify right side
    15,175.24x = 186,133,306.88
  5. Step 5: Solve for x
    x = 186,133,306.88/15,175.24
  6. Step 6: Final answer
    x = 12,265.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.