Home / 10,138.22-15,208.89-4,296.38

Finding the Fourth Proportional to 10,138.22, 15,208.89 and 4,296.38

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Solution

The fourth proportional to 10,138.22, 15,208.89 and 4,296.38 is: 6,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138.22 : 15,208.89 = 4,296.38 : x
  2. Step 2: Convert to fraction form
    10,138.22/15,208.89 = 4,296.38/x
  3. Step 3: Cross multiply
    10,138.22x = 15,208.89 × 4,296.38
  4. Step 4: Simplify right side
    10,138.22x = 65,343,170.82
  5. Step 5: Solve for x
    x = 65,343,170.82/10,138.22
  6. Step 6: Final answer
    x = 6,445.23

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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.