Home / 10,107.04-15,164.24-5,179

Finding the Fourth Proportional to 10,107.04, 15,164.24 and 5,179

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Solution

The fourth proportional to 10,107.04, 15,164.24 and 5,179 is: 7,770.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.04 : 15,164.24 = 5,179 : x
  2. Step 2: Convert to fraction form
    10,107.04/15,164.24 = 5,179/x
  3. Step 3: Cross multiply
    10,107.04x = 15,164.24 × 5,179
  4. Step 4: Simplify right side
    10,107.04x = 78,535,598.96
  5. Step 5: Solve for x
    x = 78,535,598.96/10,107.04
  6. Step 6: Final answer
    x = 7,770.39

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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.