Home / 13,377.72-20,071.16-5,060.12

Finding the Fourth Proportional to 13,377.72, 20,071.16 and 5,060.12

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Solution

The fourth proportional to 13,377.72, 20,071.16 and 5,060.12 is: 7,591.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377.72 : 20,071.16 = 5,060.12 : x
  2. Step 2: Convert to fraction form
    13,377.72/20,071.16 = 5,060.12/x
  3. Step 3: Cross multiply
    13,377.72x = 20,071.16 × 5,060.12
  4. Step 4: Simplify right side
    13,377.72x = 101,562,478.14
  5. Step 5: Solve for x
    x = 101,562,478.14/13,377.72
  6. Step 6: Final answer
    x = 7,591.91

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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.