Home / 11,655.76-17,479.32-6,317.88

Finding the Fourth Proportional to 11,655.76, 17,479.32 and 6,317.88

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Solution

The fourth proportional to 11,655.76, 17,479.32 and 6,317.88 is: 9,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.76 : 17,479.32 = 6,317.88 : x
  2. Step 2: Convert to fraction form
    11,655.76/17,479.32 = 6,317.88/x
  3. Step 3: Cross multiply
    11,655.76x = 17,479.32 × 6,317.88
  4. Step 4: Simplify right side
    11,655.76x = 110,432,246.24
  5. Step 5: Solve for x
    x = 110,432,246.24/11,655.76
  6. Step 6: Final answer
    x = 9,474.48

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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.