Home / 13,338.17-20,001.72-5,013.89

Finding the Fourth Proportional to 13,338.17, 20,001.72 and 5,013.89

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Solution

The fourth proportional to 13,338.17, 20,001.72 and 5,013.89 is: 7,518.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.17 : 20,001.72 = 5,013.89 : x
  2. Step 2: Convert to fraction form
    13,338.17/20,001.72 = 5,013.89/x
  3. Step 3: Cross multiply
    13,338.17x = 20,001.72 × 5,013.89
  4. Step 4: Simplify right side
    13,338.17x = 100,286,423.89
  5. Step 5: Solve for x
    x = 100,286,423.89/13,338.17
  6. Step 6: Final answer
    x = 7,518.75

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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.