Home / 10,003.54-15,005.30-3,078.04

Finding the Fourth Proportional to 10,003.54, 15,005.30 and 3,078.04

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Solution

The fourth proportional to 10,003.54, 15,005.30 and 3,078.04 is: 4,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.54 : 15,005.30 = 3,078.04 : x
  2. Step 2: Convert to fraction form
    10,003.54/15,005.30 = 3,078.04/x
  3. Step 3: Cross multiply
    10,003.54x = 15,005.30 × 3,078.04
  4. Step 4: Simplify right side
    10,003.54x = 46,186,913.61
  5. Step 5: Solve for x
    x = 46,186,913.61/10,003.54
  6. Step 6: Final answer
    x = 4,617.06

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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.