Home / 11,285.67-15,574.28-6,249.79

Finding the Fourth Proportional to 11,285.67, 15,574.28 and 6,249.79

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Solution

The fourth proportional to 11,285.67, 15,574.28 and 6,249.79 is: 8,624.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.67 : 15,574.28 = 6,249.79 : x
  2. Step 2: Convert to fraction form
    11,285.67/15,574.28 = 6,249.79/x
  3. Step 3: Cross multiply
    11,285.67x = 15,574.28 × 6,249.79
  4. Step 4: Simplify right side
    11,285.67x = 97,335,880.01
  5. Step 5: Solve for x
    x = 97,335,880.01/11,285.67
  6. Step 6: Final answer
    x = 8,624.73

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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.