Home / 13,147.04-19,719.48-3,913.04

Finding the Fourth Proportional to 13,147.04, 19,719.48 and 3,913.04

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Solution

The fourth proportional to 13,147.04, 19,719.48 and 3,913.04 is: 5,869.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147.04 : 19,719.48 = 3,913.04 : x
  2. Step 2: Convert to fraction form
    13,147.04/19,719.48 = 3,913.04/x
  3. Step 3: Cross multiply
    13,147.04x = 19,719.48 × 3,913.04
  4. Step 4: Simplify right side
    13,147.04x = 77,163,114.02
  5. Step 5: Solve for x
    x = 77,163,114.02/13,147.04
  6. Step 6: Final answer
    x = 5,869.24

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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.