Home / 21,350.80-32,031.62-8,204.12

Finding the Fourth Proportional to 21,350.80, 32,031.62 and 8,204.12

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Solution

The fourth proportional to 21,350.80, 32,031.62 and 8,204.12 is: 12,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,350.80 : 32,031.62 = 8,204.12 : x
  2. Step 2: Convert to fraction form
    21,350.80/32,031.62 = 8,204.12/x
  3. Step 3: Cross multiply
    21,350.80x = 32,031.62 × 8,204.12
  4. Step 4: Simplify right side
    21,350.80x = 262,791,254.27
  5. Step 5: Solve for x
    x = 262,791,254.27/21,350.80
  6. Step 6: Final answer
    x = 12,308.26

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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.