Home / 13,079.48-19,621.02-4,758.44

Finding the Fourth Proportional to 13,079.48, 19,621.02 and 4,758.44

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Solution

The fourth proportional to 13,079.48, 19,621.02 and 4,758.44 is: 7,138.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.48 : 19,621.02 = 4,758.44 : x
  2. Step 2: Convert to fraction form
    13,079.48/19,621.02 = 4,758.44/x
  3. Step 3: Cross multiply
    13,079.48x = 19,621.02 × 4,758.44
  4. Step 4: Simplify right side
    13,079.48x = 93,365,446.41
  5. Step 5: Solve for x
    x = 93,365,446.41/13,079.48
  6. Step 6: Final answer
    x = 7,138.31

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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.