Home / 10,005.71-15,003.50-3,339.81

Finding the Fourth Proportional to 10,005.71, 15,003.50 and 3,339.81

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Solution

The fourth proportional to 10,005.71, 15,003.50 and 3,339.81 is: 5,008.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.71 : 15,003.50 = 3,339.81 : x
  2. Step 2: Convert to fraction form
    10,005.71/15,003.50 = 3,339.81/x
  3. Step 3: Cross multiply
    10,005.71x = 15,003.50 × 3,339.81
  4. Step 4: Simplify right side
    10,005.71x = 50,108,822.64
  5. Step 5: Solve for x
    x = 50,108,822.64/10,005.71
  6. Step 6: Final answer
    x = 5,008.03

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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.