Home / 10,019.86-15,031.07-3,695.16

Finding the Fourth Proportional to 10,019.86, 15,031.07 and 3,695.16

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Solution

The fourth proportional to 10,019.86, 15,031.07 and 3,695.16 is: 5,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.86 : 15,031.07 = 3,695.16 : x
  2. Step 2: Convert to fraction form
    10,019.86/15,031.07 = 3,695.16/x
  3. Step 3: Cross multiply
    10,019.86x = 15,031.07 × 3,695.16
  4. Step 4: Simplify right side
    10,019.86x = 55,542,154.68
  5. Step 5: Solve for x
    x = 55,542,154.68/10,019.86
  6. Step 6: Final answer
    x = 5,543.21

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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.