Home / 15,444-23,165.60-7,124.09

Finding the Fourth Proportional to 15,444, 23,165.60 and 7,124.09

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Solution

The fourth proportional to 15,444, 23,165.60 and 7,124.09 is: 10,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,444 : 23,165.60 = 7,124.09 : x
  2. Step 2: Convert to fraction form
    15,444/23,165.60 = 7,124.09/x
  3. Step 3: Cross multiply
    15,444x = 23,165.60 × 7,124.09
  4. Step 4: Simplify right side
    15,444x = 165,033,667.86
  5. Step 5: Solve for x
    x = 165,033,667.86/15,444
  6. Step 6: Final answer
    x = 10,685.94

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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.