Home / 13,242.92-19,866.94-4,479.26

Finding the Fourth Proportional to 13,242.92, 19,866.94 and 4,479.26

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Solution

The fourth proportional to 13,242.92, 19,866.94 and 4,479.26 is: 6,719.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.92 : 19,866.94 = 4,479.26 : x
  2. Step 2: Convert to fraction form
    13,242.92/19,866.94 = 4,479.26/x
  3. Step 3: Cross multiply
    13,242.92x = 19,866.94 × 4,479.26
  4. Step 4: Simplify right side
    13,242.92x = 88,989,189.66
  5. Step 5: Solve for x
    x = 88,989,189.66/13,242.92
  6. Step 6: Final answer
    x = 6,719.76

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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.