Home / 10,018.35-15,095.23-8,301.56

Finding the Fourth Proportional to 10,018.35, 15,095.23 and 8,301.56

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Solution

The fourth proportional to 10,018.35, 15,095.23 and 8,301.56 is: 12,508.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.35 : 15,095.23 = 8,301.56 : x
  2. Step 2: Convert to fraction form
    10,018.35/15,095.23 = 8,301.56/x
  3. Step 3: Cross multiply
    10,018.35x = 15,095.23 × 8,301.56
  4. Step 4: Simplify right side
    10,018.35x = 125,313,861.33
  5. Step 5: Solve for x
    x = 125,313,861.33/10,018.35
  6. Step 6: Final answer
    x = 12,508.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.