Home / 10,001.61-15,011.84-5,074.79

Finding the Fourth Proportional to 10,001.61, 15,011.84 and 5,074.79

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Solution

The fourth proportional to 10,001.61, 15,011.84 and 5,074.79 is: 7,616.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.61 : 15,011.84 = 5,074.79 : x
  2. Step 2: Convert to fraction form
    10,001.61/15,011.84 = 5,074.79/x
  3. Step 3: Cross multiply
    10,001.61x = 15,011.84 × 5,074.79
  4. Step 4: Simplify right side
    10,001.61x = 76,181,879.68
  5. Step 5: Solve for x
    x = 76,181,879.68/10,001.61
  6. Step 6: Final answer
    x = 7,616.96

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1.5x scale

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.