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Finding the Fourth Proportional to 15,737.40, 23,603.77 and 5,739.80

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Solution

The fourth proportional to 15,737.40, 23,603.77 and 5,739.80 is: 8,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,737.40 : 23,603.77 = 5,739.80 : x
  2. Step 2: Convert to fraction form
    15,737.40/23,603.77 = 5,739.80/x
  3. Step 3: Cross multiply
    15,737.40x = 23,603.77 × 5,739.80
  4. Step 4: Simplify right side
    15,737.40x = 135,480,904.70
  5. Step 5: Solve for x
    x = 135,480,904.70/15,737.40
  6. Step 6: Final answer
    x = 8,608.85

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1.5x scale

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.