Home / 18,446.96-25,426.45-13,071.20

Finding the Fourth Proportional to 18,446.96, 25,426.45 and 13,071.20

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Solution

The fourth proportional to 18,446.96, 25,426.45 and 13,071.20 is: 18,016.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.96 : 25,426.45 = 13,071.20 : x
  2. Step 2: Convert to fraction form
    18,446.96/25,426.45 = 13,071.20/x
  3. Step 3: Cross multiply
    18,446.96x = 25,426.45 × 13,071.20
  4. Step 4: Simplify right side
    18,446.96x = 332,354,213.24
  5. Step 5: Solve for x
    x = 332,354,213.24/18,446.96
  6. Step 6: Final answer
    x = 18,016.75

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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.