Home / 22,618.58-31,211.33-12,544.47

Finding the Fourth Proportional to 22,618.58, 31,211.33 and 12,544.47

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Solution

The fourth proportional to 22,618.58, 31,211.33 and 12,544.47 is: 17,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618.58 : 31,211.33 = 12,544.47 : x
  2. Step 2: Convert to fraction form
    22,618.58/31,211.33 = 12,544.47/x
  3. Step 3: Cross multiply
    22,618.58x = 31,211.33 × 12,544.47
  4. Step 4: Simplify right side
    22,618.58x = 391,529,530.12
  5. Step 5: Solve for x
    x = 391,529,530.12/22,618.58
  6. Step 6: Final answer
    x = 17,310.09

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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.