Home / 11,290.32-16,945.88-5,747.63

Finding the Fourth Proportional to 11,290.32, 16,945.88 and 5,747.63

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Solution

The fourth proportional to 11,290.32, 16,945.88 and 5,747.63 is: 8,626.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.32 : 16,945.88 = 5,747.63 : x
  2. Step 2: Convert to fraction form
    11,290.32/16,945.88 = 5,747.63/x
  3. Step 3: Cross multiply
    11,290.32x = 16,945.88 × 5,747.63
  4. Step 4: Simplify right side
    11,290.32x = 97,398,648.26
  5. Step 5: Solve for x
    x = 97,398,648.26/11,290.32
  6. Step 6: Final answer
    x = 8,626.74

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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.