Home / 20,204.12-30,296.46-8,510.96

Finding the Fourth Proportional to 20,204.12, 30,296.46 and 8,510.96

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Solution

The fourth proportional to 20,204.12, 30,296.46 and 8,510.96 is: 12,762.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.12 : 30,296.46 = 8,510.96 : x
  2. Step 2: Convert to fraction form
    20,204.12/30,296.46 = 8,510.96/x
  3. Step 3: Cross multiply
    20,204.12x = 30,296.46 × 8,510.96
  4. Step 4: Simplify right side
    20,204.12x = 257,851,959.20
  5. Step 5: Solve for x
    x = 257,851,959.20/20,204.12
  6. Step 6: Final answer
    x = 12,762.35

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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.