Home / 20,177.67-30,259.17-7,701.15

Finding the Fourth Proportional to 20,177.67, 30,259.17 and 7,701.15

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Solution

The fourth proportional to 20,177.67, 30,259.17 and 7,701.15 is: 11,548.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.67 : 30,259.17 = 7,701.15 : x
  2. Step 2: Convert to fraction form
    20,177.67/30,259.17 = 7,701.15/x
  3. Step 3: Cross multiply
    20,177.67x = 30,259.17 × 7,701.15
  4. Step 4: Simplify right side
    20,177.67x = 233,030,407.05
  5. Step 5: Solve for x
    x = 233,030,407.05/20,177.67
  6. Step 6: Final answer
    x = 11,548.93

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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.