Home / 11,356.48-15,671.20-6,387.52

Finding the Fourth Proportional to 11,356.48, 15,671.20 and 6,387.52

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Solution

The fourth proportional to 11,356.48, 15,671.20 and 6,387.52 is: 8,814.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.48 : 15,671.20 = 6,387.52 : x
  2. Step 2: Convert to fraction form
    11,356.48/15,671.20 = 6,387.52/x
  3. Step 3: Cross multiply
    11,356.48x = 15,671.20 × 6,387.52
  4. Step 4: Simplify right side
    11,356.48x = 100,100,103.42
  5. Step 5: Solve for x
    x = 100,100,103.42/11,356.48
  6. Step 6: Final answer
    x = 8,814.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.