Home / 10,109.04-15,167.97-3,539.94

Finding the Fourth Proportional to 10,109.04, 15,167.97 and 3,539.94

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Solution

The fourth proportional to 10,109.04, 15,167.97 and 3,539.94 is: 5,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.04 : 15,167.97 = 3,539.94 : x
  2. Step 2: Convert to fraction form
    10,109.04/15,167.97 = 3,539.94/x
  3. Step 3: Cross multiply
    10,109.04x = 15,167.97 × 3,539.94
  4. Step 4: Simplify right side
    10,109.04x = 53,693,703.72
  5. Step 5: Solve for x
    x = 53,693,703.72/10,109.04
  6. Step 6: Final answer
    x = 5,311.45

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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.