Home / 11,314.92-15,612.88-6,345.96

Finding the Fourth Proportional to 11,314.92, 15,612.88 and 6,345.96

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Solution

The fourth proportional to 11,314.92, 15,612.88 and 6,345.96 is: 8,756.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.92 : 15,612.88 = 6,345.96 : x
  2. Step 2: Convert to fraction form
    11,314.92/15,612.88 = 6,345.96/x
  3. Step 3: Cross multiply
    11,314.92x = 15,612.88 × 6,345.96
  4. Step 4: Simplify right side
    11,314.92x = 99,078,711.96
  5. Step 5: Solve for x
    x = 99,078,711.96/11,314.92
  6. Step 6: Final answer
    x = 8,756.47

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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.