Home / 10,003.88-15,014.91-5,327.81

Finding the Fourth Proportional to 10,003.88, 15,014.91 and 5,327.81

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Solution

The fourth proportional to 10,003.88, 15,014.91 and 5,327.81 is: 7,996.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.88 : 15,014.91 = 5,327.81 : x
  2. Step 2: Convert to fraction form
    10,003.88/15,014.91 = 5,327.81/x
  3. Step 3: Cross multiply
    10,003.88x = 15,014.91 × 5,327.81
  4. Step 4: Simplify right side
    10,003.88x = 79,996,587.65
  5. Step 5: Solve for x
    x = 79,996,587.65/10,003.88
  6. Step 6: Final answer
    x = 7,996.56

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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.