Home / 18,948.43-28,367.56-11,026.80

Finding the Fourth Proportional to 18,948.43, 28,367.56 and 11,026.80

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Solution

The fourth proportional to 18,948.43, 28,367.56 and 11,026.80 is: 16,508.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.43 : 28,367.56 = 11,026.80 : x
  2. Step 2: Convert to fraction form
    18,948.43/28,367.56 = 11,026.80/x
  3. Step 3: Cross multiply
    18,948.43x = 28,367.56 × 11,026.80
  4. Step 4: Simplify right side
    18,948.43x = 312,803,268.77
  5. Step 5: Solve for x
    x = 312,803,268.77/18,948.43
  6. Step 6: Final answer
    x = 16,508.14

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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.