Home / 11,101.78-15,319.98-6,065.76

Finding the Fourth Proportional to 11,101.78, 15,319.98 and 6,065.76

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Solution

The fourth proportional to 11,101.78, 15,319.98 and 6,065.76 is: 8,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.78 : 15,319.98 = 6,065.76 : x
  2. Step 2: Convert to fraction form
    11,101.78/15,319.98 = 6,065.76/x
  3. Step 3: Cross multiply
    11,101.78x = 15,319.98 × 6,065.76
  4. Step 4: Simplify right side
    11,101.78x = 92,927,321.88
  5. Step 5: Solve for x
    x = 92,927,321.88/11,101.78
  6. Step 6: Final answer
    x = 8,370.49

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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.