Home / 25,370.70-38,061.45-7,842.30

Finding the Fourth Proportional to 25,370.70, 38,061.45 and 7,842.30

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Solution

The fourth proportional to 25,370.70, 38,061.45 and 7,842.30 is: 11,765.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,370.70 : 38,061.45 = 7,842.30 : x
  2. Step 2: Convert to fraction form
    25,370.70/38,061.45 = 7,842.30/x
  3. Step 3: Cross multiply
    25,370.70x = 38,061.45 × 7,842.30
  4. Step 4: Simplify right side
    25,370.70x = 298,489,309.34
  5. Step 5: Solve for x
    x = 298,489,309.34/25,370.70
  6. Step 6: Final answer
    x = 11,765.12

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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.