Home / 11,114.16-15,337.32-6,078.24

Finding the Fourth Proportional to 11,114.16, 15,337.32 and 6,078.24

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Solution

The fourth proportional to 11,114.16, 15,337.32 and 6,078.24 is: 8,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.16 : 15,337.32 = 6,078.24 : x
  2. Step 2: Convert to fraction form
    11,114.16/15,337.32 = 6,078.24/x
  3. Step 3: Cross multiply
    11,114.16x = 15,337.32 × 6,078.24
  4. Step 4: Simplify right side
    11,114.16x = 93,223,911.92
  5. Step 5: Solve for x
    x = 93,223,911.92/11,114.16
  6. Step 6: Final answer
    x = 8,387.85

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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.