Home / 10,228.89-15,335.95-3,983.64

Finding the Fourth Proportional to 10,228.89, 15,335.95 and 3,983.64

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Solution

The fourth proportional to 10,228.89, 15,335.95 and 3,983.64 is: 5,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.89 : 15,335.95 = 3,983.64 : x
  2. Step 2: Convert to fraction form
    10,228.89/15,335.95 = 3,983.64/x
  3. Step 3: Cross multiply
    10,228.89x = 15,335.95 × 3,983.64
  4. Step 4: Simplify right side
    10,228.89x = 61,092,903.86
  5. Step 5: Solve for x
    x = 61,092,903.86/10,228.89
  6. Step 6: Final answer
    x = 5,972.58

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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.