Home / 11,182.87-15,432.64-6,147.22

Finding the Fourth Proportional to 11,182.87, 15,432.64 and 6,147.22

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Solution

The fourth proportional to 11,182.87, 15,432.64 and 6,147.22 is: 8,483.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.87 : 15,432.64 = 6,147.22 : x
  2. Step 2: Convert to fraction form
    11,182.87/15,432.64 = 6,147.22/x
  3. Step 3: Cross multiply
    11,182.87x = 15,432.64 × 6,147.22
  4. Step 4: Simplify right side
    11,182.87x = 94,867,833.26
  5. Step 5: Solve for x
    x = 94,867,833.26/11,182.87
  6. Step 6: Final answer
    x = 8,483.32

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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.