Home / 20,177.26-30,265.90-5,386.24

Finding the Fourth Proportional to 20,177.26, 30,265.90 and 5,386.24

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Solution

The fourth proportional to 20,177.26, 30,265.90 and 5,386.24 is: 8,079.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.26 : 30,265.90 = 5,386.24 : x
  2. Step 2: Convert to fraction form
    20,177.26/30,265.90 = 5,386.24/x
  3. Step 3: Cross multiply
    20,177.26x = 30,265.90 × 5,386.24
  4. Step 4: Simplify right side
    20,177.26x = 163,019,401.22
  5. Step 5: Solve for x
    x = 163,019,401.22/20,177.26
  6. Step 6: Final answer
    x = 8,079.36

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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.