Home / 9,479.86-13,081.17-6,680.50

Finding the Fourth Proportional to 9,479.86, 13,081.17 and 6,680.50

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Solution

The fourth proportional to 9,479.86, 13,081.17 and 6,680.50 is: 9,218.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.86 : 13,081.17 = 6,680.50 : x
  2. Step 2: Convert to fraction form
    9,479.86/13,081.17 = 6,680.50/x
  3. Step 3: Cross multiply
    9,479.86x = 13,081.17 × 6,680.50
  4. Step 4: Simplify right side
    9,479.86x = 87,388,756.19
  5. Step 5: Solve for x
    x = 87,388,756.19/9,479.86
  6. Step 6: Final answer
    x = 9,218.36

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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.