Home / 13,152.66-19,729.04-3,291.91

Finding the Fourth Proportional to 13,152.66, 19,729.04 and 3,291.91

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Solution

The fourth proportional to 13,152.66, 19,729.04 and 3,291.91 is: 4,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.66 : 19,729.04 = 3,291.91 : x
  2. Step 2: Convert to fraction form
    13,152.66/19,729.04 = 3,291.91/x
  3. Step 3: Cross multiply
    13,152.66x = 19,729.04 × 3,291.91
  4. Step 4: Simplify right side
    13,152.66x = 64,946,108.96
  5. Step 5: Solve for x
    x = 64,946,108.96/13,152.66
  6. Step 6: Final answer
    x = 4,937.87

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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.