Home / 9,115.61-13,677.59-4,119.32

Finding the Fourth Proportional to 9,115.61, 13,677.59 and 4,119.32

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Solution

The fourth proportional to 9,115.61, 13,677.59 and 4,119.32 is: 6,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.61 : 13,677.59 = 4,119.32 : x
  2. Step 2: Convert to fraction form
    9,115.61/13,677.59 = 4,119.32/x
  3. Step 3: Cross multiply
    9,115.61x = 13,677.59 × 4,119.32
  4. Step 4: Simplify right side
    9,115.61x = 56,342,370.04
  5. Step 5: Solve for x
    x = 56,342,370.04/9,115.61
  6. Step 6: Final answer
    x = 6,180.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.