Home / 10,161.19-15,243-3,586.02

Finding the Fourth Proportional to 10,161.19, 15,243 and 3,586.02

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Solution

The fourth proportional to 10,161.19, 15,243 and 3,586.02 is: 5,379.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.19 : 15,243 = 3,586.02 : x
  2. Step 2: Convert to fraction form
    10,161.19/15,243 = 3,586.02/x
  3. Step 3: Cross multiply
    10,161.19x = 15,243 × 3,586.02
  4. Step 4: Simplify right side
    10,161.19x = 54,661,702.86
  5. Step 5: Solve for x
    x = 54,661,702.86/10,161.19
  6. Step 6: Final answer
    x = 5,379.46

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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.