Home / 11,053.72-16,578.78-4,479.64

Finding the Fourth Proportional to 11,053.72, 16,578.78 and 4,479.64

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Solution

The fourth proportional to 11,053.72, 16,578.78 and 4,479.64 is: 6,718.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,053.72 : 16,578.78 = 4,479.64 : x
  2. Step 2: Convert to fraction form
    11,053.72/16,578.78 = 4,479.64/x
  3. Step 3: Cross multiply
    11,053.72x = 16,578.78 × 4,479.64
  4. Step 4: Simplify right side
    11,053.72x = 74,266,966.04
  5. Step 5: Solve for x
    x = 74,266,966.04/11,053.72
  6. Step 6: Final answer
    x = 6,718.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.