Home / 10,110.39-15,165.12-3,873.34

Finding the Fourth Proportional to 10,110.39, 15,165.12 and 3,873.34

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Solution

The fourth proportional to 10,110.39, 15,165.12 and 3,873.34 is: 5,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110.39 : 15,165.12 = 3,873.34 : x
  2. Step 2: Convert to fraction form
    10,110.39/15,165.12 = 3,873.34/x
  3. Step 3: Cross multiply
    10,110.39x = 15,165.12 × 3,873.34
  4. Step 4: Simplify right side
    10,110.39x = 58,739,614.08
  5. Step 5: Solve for x
    x = 58,739,614.08/10,110.39
  6. Step 6: Final answer
    x = 5,809.83

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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.