Home / 10,249.61-15,380.37-4,326.12

Finding the Fourth Proportional to 10,249.61, 15,380.37 and 4,326.12

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Solution

The fourth proportional to 10,249.61, 15,380.37 and 4,326.12 is: 6,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.61 : 15,380.37 = 4,326.12 : x
  2. Step 2: Convert to fraction form
    10,249.61/15,380.37 = 4,326.12/x
  3. Step 3: Cross multiply
    10,249.61x = 15,380.37 × 4,326.12
  4. Step 4: Simplify right side
    10,249.61x = 66,537,326.26
  5. Step 5: Solve for x
    x = 66,537,326.26/10,249.61
  6. Step 6: Final answer
    x = 6,491.70

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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.