Home / 20,009.36-27,613.50-11,947.74

Finding the Fourth Proportional to 20,009.36, 27,613.50 and 11,947.74

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Solution

The fourth proportional to 20,009.36, 27,613.50 and 11,947.74 is: 16,488.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.36 : 27,613.50 = 11,947.74 : x
  2. Step 2: Convert to fraction form
    20,009.36/27,613.50 = 11,947.74/x
  3. Step 3: Cross multiply
    20,009.36x = 27,613.50 × 11,947.74
  4. Step 4: Simplify right side
    20,009.36x = 329,918,918.49
  5. Step 5: Solve for x
    x = 329,918,918.49/20,009.36
  6. Step 6: Final answer
    x = 16,488.23

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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.