Home / 11,064.78-15,269.67-6,284.61

Finding the Fourth Proportional to 11,064.78, 15,269.67 and 6,284.61

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Solution

The fourth proportional to 11,064.78, 15,269.67 and 6,284.61 is: 8,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,064.78 : 15,269.67 = 6,284.61 : x
  2. Step 2: Convert to fraction form
    11,064.78/15,269.67 = 6,284.61/x
  3. Step 3: Cross multiply
    11,064.78x = 15,269.67 × 6,284.61
  4. Step 4: Simplify right side
    11,064.78x = 95,963,920.78
  5. Step 5: Solve for x
    x = 95,963,920.78/11,064.78
  6. Step 6: Final answer
    x = 8,672.92

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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.