Home / 11,254.28-16,870.98-3,856.98

Finding the Fourth Proportional to 11,254.28, 16,870.98 and 3,856.98

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Solution

The fourth proportional to 11,254.28, 16,870.98 and 3,856.98 is: 5,781.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.28 : 16,870.98 = 3,856.98 : x
  2. Step 2: Convert to fraction form
    11,254.28/16,870.98 = 3,856.98/x
  3. Step 3: Cross multiply
    11,254.28x = 16,870.98 × 3,856.98
  4. Step 4: Simplify right side
    11,254.28x = 65,071,032.44
  5. Step 5: Solve for x
    x = 65,071,032.44/11,254.28
  6. Step 6: Final answer
    x = 5,781.89

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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.