Home / 13,339.76-20,004.03-5,013.95

Finding the Fourth Proportional to 13,339.76, 20,004.03 and 5,013.95

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Solution

The fourth proportional to 13,339.76, 20,004.03 and 5,013.95 is: 7,518.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339.76 : 20,004.03 = 5,013.95 : x
  2. Step 2: Convert to fraction form
    13,339.76/20,004.03 = 5,013.95/x
  3. Step 3: Cross multiply
    13,339.76x = 20,004.03 × 5,013.95
  4. Step 4: Simplify right side
    13,339.76x = 100,299,106.20
  5. Step 5: Solve for x
    x = 100,299,106.20/13,339.76
  6. Step 6: Final answer
    x = 7,518.81

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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.