Home / 13,247.02-19,866.42-4,479.88

Finding the Fourth Proportional to 13,247.02, 19,866.42 and 4,479.88

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Solution

The fourth proportional to 13,247.02, 19,866.42 and 4,479.88 is: 6,718.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.02 : 19,866.42 = 4,479.88 : x
  2. Step 2: Convert to fraction form
    13,247.02/19,866.42 = 4,479.88/x
  3. Step 3: Cross multiply
    13,247.02x = 19,866.42 × 4,479.88
  4. Step 4: Simplify right side
    13,247.02x = 88,999,177.63
  5. Step 5: Solve for x
    x = 88,999,177.63/13,247.02
  6. Step 6: Final answer
    x = 6,718.43

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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.