Home / 10,001.54-15,011.73-5,074.72

Finding the Fourth Proportional to 10,001.54, 15,011.73 and 5,074.72

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Solution

The fourth proportional to 10,001.54, 15,011.73 and 5,074.72 is: 7,616.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.54 : 15,011.73 = 5,074.72 : x
  2. Step 2: Convert to fraction form
    10,001.54/15,011.73 = 5,074.72/x
  3. Step 3: Cross multiply
    10,001.54x = 15,011.73 × 5,074.72
  4. Step 4: Simplify right side
    10,001.54x = 76,180,288.94
  5. Step 5: Solve for x
    x = 76,180,288.94/10,001.54
  6. Step 6: Final answer
    x = 7,616.85

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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.