Home / 10,215.23-15,322.85-3,551.27

Finding the Fourth Proportional to 10,215.23, 15,322.85 and 3,551.27

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Solution

The fourth proportional to 10,215.23, 15,322.85 and 3,551.27 is: 5,326.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215.23 : 15,322.85 = 3,551.27 : x
  2. Step 2: Convert to fraction form
    10,215.23/15,322.85 = 3,551.27/x
  3. Step 3: Cross multiply
    10,215.23x = 15,322.85 × 3,551.27
  4. Step 4: Simplify right side
    10,215.23x = 54,415,483.15
  5. Step 5: Solve for x
    x = 54,415,483.15/10,215.23
  6. Step 6: Final answer
    x = 5,326.90

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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.