Home / 9,508.64-13,108.20-6,519.74

Finding the Fourth Proportional to 9,508.64, 13,108.20 and 6,519.74

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Solution

The fourth proportional to 9,508.64, 13,108.20 and 6,519.74 is: 8,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.64 : 13,108.20 = 6,519.74 : x
  2. Step 2: Convert to fraction form
    9,508.64/13,108.20 = 6,519.74/x
  3. Step 3: Cross multiply
    9,508.64x = 13,108.20 × 6,519.74
  4. Step 4: Simplify right side
    9,508.64x = 85,462,055.87
  5. Step 5: Solve for x
    x = 85,462,055.87/9,508.64
  6. Step 6: Final answer
    x = 8,987.83

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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.