Home / 9,915.86-14,875.76-3,343.92

Finding the Fourth Proportional to 9,915.86, 14,875.76 and 3,343.92

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Solution

The fourth proportional to 9,915.86, 14,875.76 and 3,343.92 is: 5,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.86 : 14,875.76 = 3,343.92 : x
  2. Step 2: Convert to fraction form
    9,915.86/14,875.76 = 3,343.92/x
  3. Step 3: Cross multiply
    9,915.86x = 14,875.76 × 3,343.92
  4. Step 4: Simplify right side
    9,915.86x = 49,743,334.66
  5. Step 5: Solve for x
    x = 49,743,334.66/9,915.86
  6. Step 6: Final answer
    x = 5,016.55

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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.