Home / 11,257.91-16,897.45-5,715.22

Finding the Fourth Proportional to 11,257.91, 16,897.45 and 5,715.22

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Solution

The fourth proportional to 11,257.91, 16,897.45 and 5,715.22 is: 8,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.91 : 16,897.45 = 5,715.22 : x
  2. Step 2: Convert to fraction form
    11,257.91/16,897.45 = 5,715.22/x
  3. Step 3: Cross multiply
    11,257.91x = 16,897.45 × 5,715.22
  4. Step 4: Simplify right side
    11,257.91x = 96,572,644.19
  5. Step 5: Solve for x
    x = 96,572,644.19/11,257.91
  6. Step 6: Final answer
    x = 8,578.20

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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.