Home / 11,228.67-15,497.43-6,754.89

Finding the Fourth Proportional to 11,228.67, 15,497.43 and 6,754.89

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Solution

The fourth proportional to 11,228.67, 15,497.43 and 6,754.89 is: 9,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.67 : 15,497.43 = 6,754.89 : x
  2. Step 2: Convert to fraction form
    11,228.67/15,497.43 = 6,754.89/x
  3. Step 3: Cross multiply
    11,228.67x = 15,497.43 × 6,754.89
  4. Step 4: Simplify right side
    11,228.67x = 104,683,467.72
  5. Step 5: Solve for x
    x = 104,683,467.72/11,228.67
  6. Step 6: Final answer
    x = 9,322.87

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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.