Home / 18,930.32-26,122.29-10,866.44

Finding the Fourth Proportional to 18,930.32, 26,122.29 and 10,866.44

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Solution

The fourth proportional to 18,930.32, 26,122.29 and 10,866.44 is: 14,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,930.32 : 26,122.29 = 10,866.44 : x
  2. Step 2: Convert to fraction form
    18,930.32/26,122.29 = 10,866.44/x
  3. Step 3: Cross multiply
    18,930.32x = 26,122.29 × 10,866.44
  4. Step 4: Simplify right side
    18,930.32x = 283,856,296.95
  5. Step 5: Solve for x
    x = 283,856,296.95/18,930.32
  6. Step 6: Final answer
    x = 14,994.80

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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.