Home / 10,036.70-15,064.30-5,109.90

Finding the Fourth Proportional to 10,036.70, 15,064.30 and 5,109.90

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Solution

The fourth proportional to 10,036.70, 15,064.30 and 5,109.90 is: 7,669.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,036.70 : 15,064.30 = 5,109.90 : x
  2. Step 2: Convert to fraction form
    10,036.70/15,064.30 = 5,109.90/x
  3. Step 3: Cross multiply
    10,036.70x = 15,064.30 × 5,109.90
  4. Step 4: Simplify right side
    10,036.70x = 76,977,066.57
  5. Step 5: Solve for x
    x = 76,977,066.57/10,036.70
  6. Step 6: Final answer
    x = 7,669.56

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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.