Home / 15,581.76-23,372.48-12,447.06

Finding the Fourth Proportional to 15,581.76, 23,372.48 and 12,447.06

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Solution

The fourth proportional to 15,581.76, 23,372.48 and 12,447.06 is: 18,670.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.76 : 23,372.48 = 12,447.06 : x
  2. Step 2: Convert to fraction form
    15,581.76/23,372.48 = 12,447.06/x
  3. Step 3: Cross multiply
    15,581.76x = 23,372.48 × 12,447.06
  4. Step 4: Simplify right side
    15,581.76x = 290,918,604.38
  5. Step 5: Solve for x
    x = 290,918,604.38/15,581.76
  6. Step 6: Final answer
    x = 18,670.46

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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.