Home / 20,204.26-30,311.28-6,877.13

Finding the Fourth Proportional to 20,204.26, 30,311.28 and 6,877.13

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Solution

The fourth proportional to 20,204.26, 30,311.28 and 6,877.13 is: 10,317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.26 : 30,311.28 = 6,877.13 : x
  2. Step 2: Convert to fraction form
    20,204.26/30,311.28 = 6,877.13/x
  3. Step 3: Cross multiply
    20,204.26x = 30,311.28 × 6,877.13
  4. Step 4: Simplify right side
    20,204.26x = 208,454,461.47
  5. Step 5: Solve for x
    x = 208,454,461.47/20,204.26
  6. Step 6: Final answer
    x = 10,317.35

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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.