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Finding the Fourth Proportional to 15,603.38, 23,394.12 and 5,741.40

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Solution

The fourth proportional to 15,603.38, 23,394.12 and 5,741.40 is: 8,608.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603.38 : 23,394.12 = 5,741.40 : x
  2. Step 2: Convert to fraction form
    15,603.38/23,394.12 = 5,741.40/x
  3. Step 3: Cross multiply
    15,603.38x = 23,394.12 × 5,741.40
  4. Step 4: Simplify right side
    15,603.38x = 134,315,000.57
  5. Step 5: Solve for x
    x = 134,315,000.57/15,603.38
  6. Step 6: Final answer
    x = 8,608.07

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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.