Home / 11,335.43-15,642.16-6,299.34

Finding the Fourth Proportional to 11,335.43, 15,642.16 and 6,299.34

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Solution

The fourth proportional to 11,335.43, 15,642.16 and 6,299.34 is: 8,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.43 : 15,642.16 = 6,299.34 : x
  2. Step 2: Convert to fraction form
    11,335.43/15,642.16 = 6,299.34/x
  3. Step 3: Cross multiply
    11,335.43x = 15,642.16 × 6,299.34
  4. Step 4: Simplify right side
    11,335.43x = 98,535,245.20
  5. Step 5: Solve for x
    x = 98,535,245.20/11,335.43
  6. Step 6: Final answer
    x = 8,692.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.