Home / 11,555.06-15,945.86-6,249.76

Finding the Fourth Proportional to 11,555.06, 15,945.86 and 6,249.76

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Solution

The fourth proportional to 11,555.06, 15,945.86 and 6,249.76 is: 8,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.06 : 15,945.86 = 6,249.76 : x
  2. Step 2: Convert to fraction form
    11,555.06/15,945.86 = 6,249.76/x
  3. Step 3: Cross multiply
    11,555.06x = 15,945.86 × 6,249.76
  4. Step 4: Simplify right side
    11,555.06x = 99,657,773.75
  5. Step 5: Solve for x
    x = 99,657,773.75/11,555.06
  6. Step 6: Final answer
    x = 8,624.60

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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.