Home / 10,015.83-15,009.14-5,634.51

Finding the Fourth Proportional to 10,015.83, 15,009.14 and 5,634.51

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Solution

The fourth proportional to 10,015.83, 15,009.14 and 5,634.51 is: 8,443.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.83 : 15,009.14 = 5,634.51 : x
  2. Step 2: Convert to fraction form
    10,015.83/15,009.14 = 5,634.51/x
  3. Step 3: Cross multiply
    10,015.83x = 15,009.14 × 5,634.51
  4. Step 4: Simplify right side
    10,015.83x = 84,569,121.25
  5. Step 5: Solve for x
    x = 84,569,121.25/10,015.83
  6. Step 6: Final answer
    x = 8,443.55

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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.