Home / 15,645.36-23,469.52-4,400.64

Finding the Fourth Proportional to 15,645.36, 23,469.52 and 4,400.64

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Solution

The fourth proportional to 15,645.36, 23,469.52 and 4,400.64 is: 6,601.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.36 : 23,469.52 = 4,400.64 : x
  2. Step 2: Convert to fraction form
    15,645.36/23,469.52 = 4,400.64/x
  3. Step 3: Cross multiply
    15,645.36x = 23,469.52 × 4,400.64
  4. Step 4: Simplify right side
    15,645.36x = 103,280,908.49
  5. Step 5: Solve for x
    x = 103,280,908.49/15,645.36
  6. Step 6: Final answer
    x = 6,601.38

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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.