Home / 21,517.76-32,271.77-8,186.00

Finding the Fourth Proportional to 21,517.76, 32,271.77 and 8,186.00

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Solution

The fourth proportional to 21,517.76, 32,271.77 and 8,186.00 is: 12,277.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517.76 : 32,271.77 = 8,186.00 : x
  2. Step 2: Convert to fraction form
    21,517.76/32,271.77 = 8,186.00/x
  3. Step 3: Cross multiply
    21,517.76x = 32,271.77 × 8,186.00
  4. Step 4: Simplify right side
    21,517.76x = 264,176,506.93
  5. Step 5: Solve for x
    x = 264,176,506.93/21,517.76
  6. Step 6: Final answer
    x = 12,277.14

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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.