Home / 10,009.42-15,015.82-3,434.02

Finding the Fourth Proportional to 10,009.42, 15,015.82 and 3,434.02

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Solution

The fourth proportional to 10,009.42, 15,015.82 and 3,434.02 is: 5,151.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.42 : 15,015.82 = 3,434.02 : x
  2. Step 2: Convert to fraction form
    10,009.42/15,015.82 = 3,434.02/x
  3. Step 3: Cross multiply
    10,009.42x = 15,015.82 × 3,434.02
  4. Step 4: Simplify right side
    10,009.42x = 51,564,626.20
  5. Step 5: Solve for x
    x = 51,564,626.20/10,009.42
  6. Step 6: Final answer
    x = 5,151.61

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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.