Home / 9,479.89-14,219.90-6,213.66

Finding the Fourth Proportional to 9,479.89, 14,219.90 and 6,213.66

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Solution

The fourth proportional to 9,479.89, 14,219.90 and 6,213.66 is: 9,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.89 : 14,219.90 = 6,213.66 : x
  2. Step 2: Convert to fraction form
    9,479.89/14,219.90 = 6,213.66/x
  3. Step 3: Cross multiply
    9,479.89x = 14,219.90 × 6,213.66
  4. Step 4: Simplify right side
    9,479.89x = 88,357,677.68
  5. Step 5: Solve for x
    x = 88,357,677.68/9,479.89
  6. Step 6: Final answer
    x = 9,320.54

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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.