Home / 20,296.94-28,009.94-11,344.82

Finding the Fourth Proportional to 20,296.94, 28,009.94 and 11,344.82

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Solution

The fourth proportional to 20,296.94, 28,009.94 and 11,344.82 is: 15,655.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,296.94 : 28,009.94 = 11,344.82 : x
  2. Step 2: Convert to fraction form
    20,296.94/28,009.94 = 11,344.82/x
  3. Step 3: Cross multiply
    20,296.94x = 28,009.94 × 11,344.82
  4. Step 4: Simplify right side
    20,296.94x = 317,767,530.74
  5. Step 5: Solve for x
    x = 317,767,530.74/20,296.94
  6. Step 6: Final answer
    x = 15,655.94

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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.