Home / 38,306.16-57,459.15-12,010.86

Finding the Fourth Proportional to 38,306.16, 57,459.15 and 12,010.86

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Solution

The fourth proportional to 38,306.16, 57,459.15 and 12,010.86 is: 18,016.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,306.16 : 57,459.15 = 12,010.86 : x
  2. Step 2: Convert to fraction form
    38,306.16/57,459.15 = 12,010.86/x
  3. Step 3: Cross multiply
    38,306.16x = 57,459.15 × 12,010.86
  4. Step 4: Simplify right side
    38,306.16x = 690,133,806.37
  5. Step 5: Solve for x
    x = 690,133,806.37/38,306.16
  6. Step 6: Final answer
    x = 18,016.26

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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.