Home / 11,282.28-16,918.76-4,261.10

Finding the Fourth Proportional to 11,282.28, 16,918.76 and 4,261.10

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Solution

The fourth proportional to 11,282.28, 16,918.76 and 4,261.10 is: 6,389.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.28 : 16,918.76 = 4,261.10 : x
  2. Step 2: Convert to fraction form
    11,282.28/16,918.76 = 4,261.10/x
  3. Step 3: Cross multiply
    11,282.28x = 16,918.76 × 4,261.10
  4. Step 4: Simplify right side
    11,282.28x = 72,092,422.34
  5. Step 5: Solve for x
    x = 72,092,422.34/11,282.28
  6. Step 6: Final answer
    x = 6,389.88

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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.