Home / 15,175.30-20,941.14-8,459.62

Finding the Fourth Proportional to 15,175.30, 20,941.14 and 8,459.62

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Solution

The fourth proportional to 15,175.30, 20,941.14 and 8,459.62 is: 11,673.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,175.30 : 20,941.14 = 8,459.62 : x
  2. Step 2: Convert to fraction form
    15,175.30/20,941.14 = 8,459.62/x
  3. Step 3: Cross multiply
    15,175.30x = 20,941.14 × 8,459.62
  4. Step 4: Simplify right side
    15,175.30x = 177,154,086.77
  5. Step 5: Solve for x
    x = 177,154,086.77/15,175.30
  6. Step 6: Final answer
    x = 11,673.84

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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.