Home / 15,627.14-23,446.11-9,776.78

Finding the Fourth Proportional to 15,627.14, 23,446.11 and 9,776.78

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Solution

The fourth proportional to 15,627.14, 23,446.11 and 9,776.78 is: 14,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.14 : 23,446.11 = 9,776.78 : x
  2. Step 2: Convert to fraction form
    15,627.14/23,446.11 = 9,776.78/x
  3. Step 3: Cross multiply
    15,627.14x = 23,446.11 × 9,776.78
  4. Step 4: Simplify right side
    15,627.14x = 229,227,459.33
  5. Step 5: Solve for x
    x = 229,227,459.33/15,627.14
  6. Step 6: Final answer
    x = 14,668.55

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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.