Home / 10,008.60-15,015.24-4,161.96

Finding the Fourth Proportional to 10,008.60, 15,015.24 and 4,161.96

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Solution

The fourth proportional to 10,008.60, 15,015.24 and 4,161.96 is: 6,243.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.60 : 15,015.24 = 4,161.96 : x
  2. Step 2: Convert to fraction form
    10,008.60/15,015.24 = 4,161.96/x
  3. Step 3: Cross multiply
    10,008.60x = 15,015.24 × 4,161.96
  4. Step 4: Simplify right side
    10,008.60x = 62,492,828.27
  5. Step 5: Solve for x
    x = 62,492,828.27/10,008.60
  6. Step 6: Final answer
    x = 6,243.91

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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.