Home / 10,407.24-15,619.06-5,479.80

Finding the Fourth Proportional to 10,407.24, 15,619.06 and 5,479.80

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Solution

The fourth proportional to 10,407.24, 15,619.06 and 5,479.80 is: 8,224.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.24 : 15,619.06 = 5,479.80 : x
  2. Step 2: Convert to fraction form
    10,407.24/15,619.06 = 5,479.80/x
  3. Step 3: Cross multiply
    10,407.24x = 15,619.06 × 5,479.80
  4. Step 4: Simplify right side
    10,407.24x = 85,589,324.99
  5. Step 5: Solve for x
    x = 85,589,324.99/10,407.24
  6. Step 6: Final answer
    x = 8,224.02

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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.