Home / 19,290.12-26,620.02-10,906.44

Finding the Fourth Proportional to 19,290.12, 26,620.02 and 10,906.44

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Solution

The fourth proportional to 19,290.12, 26,620.02 and 10,906.44 is: 15,050.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.12 : 26,620.02 = 10,906.44 : x
  2. Step 2: Convert to fraction form
    19,290.12/26,620.02 = 10,906.44/x
  3. Step 3: Cross multiply
    19,290.12x = 26,620.02 × 10,906.44
  4. Step 4: Simplify right side
    19,290.12x = 290,329,650.93
  5. Step 5: Solve for x
    x = 290,329,650.93/19,290.12
  6. Step 6: Final answer
    x = 15,050.69

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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.