Home / 10,546.89-15,816.48-3,148.86

Finding the Fourth Proportional to 10,546.89, 15,816.48 and 3,148.86

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Solution

The fourth proportional to 10,546.89, 15,816.48 and 3,148.86 is: 4,722.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,546.89 : 15,816.48 = 3,148.86 : x
  2. Step 2: Convert to fraction form
    10,546.89/15,816.48 = 3,148.86/x
  3. Step 3: Cross multiply
    10,546.89x = 15,816.48 × 3,148.86
  4. Step 4: Simplify right side
    10,546.89x = 49,803,881.21
  5. Step 5: Solve for x
    x = 49,803,881.21/10,546.89
  6. Step 6: Final answer
    x = 4,722.14

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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.