Home / 10,398.86-15,604.47-3,829.66

Finding the Fourth Proportional to 10,398.86, 15,604.47 and 3,829.66

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Solution

The fourth proportional to 10,398.86, 15,604.47 and 3,829.66 is: 5,746.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398.86 : 15,604.47 = 3,829.66 : x
  2. Step 2: Convert to fraction form
    10,398.86/15,604.47 = 3,829.66/x
  3. Step 3: Cross multiply
    10,398.86x = 15,604.47 × 3,829.66
  4. Step 4: Simplify right side
    10,398.86x = 59,759,775.57
  5. Step 5: Solve for x
    x = 59,759,775.57/10,398.86
  6. Step 6: Final answer
    x = 5,746.76

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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.