Home / 10,135.07-15,204.42-4,292.13

Finding the Fourth Proportional to 10,135.07, 15,204.42 and 4,292.13

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Solution

The fourth proportional to 10,135.07, 15,204.42 and 4,292.13 is: 6,438.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.07 : 15,204.42 = 4,292.13 : x
  2. Step 2: Convert to fraction form
    10,135.07/15,204.42 = 4,292.13/x
  3. Step 3: Cross multiply
    10,135.07x = 15,204.42 × 4,292.13
  4. Step 4: Simplify right side
    10,135.07x = 65,259,347.21
  5. Step 5: Solve for x
    x = 65,259,347.21/10,135.07
  6. Step 6: Final answer
    x = 6,438.97

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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.