Home / 10,320.75-15,483.69-3,395.25

Finding the Fourth Proportional to 10,320.75, 15,483.69 and 3,395.25

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Solution

The fourth proportional to 10,320.75, 15,483.69 and 3,395.25 is: 5,093.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.75 : 15,483.69 = 3,395.25 : x
  2. Step 2: Convert to fraction form
    10,320.75/15,483.69 = 3,395.25/x
  3. Step 3: Cross multiply
    10,320.75x = 15,483.69 × 3,395.25
  4. Step 4: Simplify right side
    10,320.75x = 52,570,998.47
  5. Step 5: Solve for x
    x = 52,570,998.47/10,320.75
  6. Step 6: Final answer
    x = 5,093.72

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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.