Home / 18,988.54-26,196.15-12,702.94

Finding the Fourth Proportional to 18,988.54, 26,196.15 and 12,702.94

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Solution

The fourth proportional to 18,988.54, 26,196.15 and 12,702.94 is: 17,524.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988.54 : 26,196.15 = 12,702.94 : x
  2. Step 2: Convert to fraction form
    18,988.54/26,196.15 = 12,702.94/x
  3. Step 3: Cross multiply
    18,988.54x = 26,196.15 × 12,702.94
  4. Step 4: Simplify right side
    18,988.54x = 332,768,121.68
  5. Step 5: Solve for x
    x = 332,768,121.68/18,988.54
  6. Step 6: Final answer
    x = 17,524.68

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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.