Home / 19,291.36-26,620.98-10,791.84

Finding the Fourth Proportional to 19,291.36, 26,620.98 and 10,791.84

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Solution

The fourth proportional to 19,291.36, 26,620.98 and 10,791.84 is: 14,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.36 : 26,620.98 = 10,791.84 : x
  2. Step 2: Convert to fraction form
    19,291.36/26,620.98 = 10,791.84/x
  3. Step 3: Cross multiply
    19,291.36x = 26,620.98 × 10,791.84
  4. Step 4: Simplify right side
    19,291.36x = 287,289,356.80
  5. Step 5: Solve for x
    x = 287,289,356.80/19,291.36
  6. Step 6: Final answer
    x = 14,892.13

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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.