Home / 11,148.26-15,384.47-6,432.44

Finding the Fourth Proportional to 11,148.26, 15,384.47 and 6,432.44

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Solution

The fourth proportional to 11,148.26, 15,384.47 and 6,432.44 is: 8,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.26 : 15,384.47 = 6,432.44 : x
  2. Step 2: Convert to fraction form
    11,148.26/15,384.47 = 6,432.44/x
  3. Step 3: Cross multiply
    11,148.26x = 15,384.47 × 6,432.44
  4. Step 4: Simplify right side
    11,148.26x = 98,959,571.12
  5. Step 5: Solve for x
    x = 98,959,571.12/11,148.26
  6. Step 6: Final answer
    x = 8,876.69

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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.