Home / 11,040.77-15,234.68-6,500.79

Finding the Fourth Proportional to 11,040.77, 15,234.68 and 6,500.79

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Solution

The fourth proportional to 11,040.77, 15,234.68 and 6,500.79 is: 8,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.77 : 15,234.68 = 6,500.79 : x
  2. Step 2: Convert to fraction form
    11,040.77/15,234.68 = 6,500.79/x
  3. Step 3: Cross multiply
    11,040.77x = 15,234.68 × 6,500.79
  4. Step 4: Simplify right side
    11,040.77x = 99,037,471.65
  5. Step 5: Solve for x
    x = 99,037,471.65/11,040.77
  6. Step 6: Final answer
    x = 8,970.16

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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.