Home / 21,352.10-32,001.15-8,186.90

Finding the Fourth Proportional to 21,352.10, 32,001.15 and 8,186.90

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Solution

The fourth proportional to 21,352.10, 32,001.15 and 8,186.90 is: 12,270.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352.10 : 32,001.15 = 8,186.90 : x
  2. Step 2: Convert to fraction form
    21,352.10/32,001.15 = 8,186.90/x
  3. Step 3: Cross multiply
    21,352.10x = 32,001.15 × 8,186.90
  4. Step 4: Simplify right side
    21,352.10x = 261,990,214.94
  5. Step 5: Solve for x
    x = 261,990,214.94/21,352.10
  6. Step 6: Final answer
    x = 12,270.00

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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.