Home / 15,645.11-23,467.55-3,958.35

Finding the Fourth Proportional to 15,645.11, 23,467.55 and 3,958.35

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Solution

The fourth proportional to 15,645.11, 23,467.55 and 3,958.35 is: 5,937.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.11 : 23,467.55 = 3,958.35 : x
  2. Step 2: Convert to fraction form
    15,645.11/23,467.55 = 3,958.35/x
  3. Step 3: Cross multiply
    15,645.11x = 23,467.55 × 3,958.35
  4. Step 4: Simplify right side
    15,645.11x = 92,892,756.75
  5. Step 5: Solve for x
    x = 92,892,756.75/15,645.11
  6. Step 6: Final answer
    x = 5,937.50

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Half scale
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Double scale
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Similar ratio
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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.