Home / 19,801.22-27,315.78-11,841.35

Finding the Fourth Proportional to 19,801.22, 27,315.78 and 11,841.35

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Solution

The fourth proportional to 19,801.22, 27,315.78 and 11,841.35 is: 16,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.22 : 27,315.78 = 11,841.35 : x
  2. Step 2: Convert to fraction form
    19,801.22/27,315.78 = 11,841.35/x
  3. Step 3: Cross multiply
    19,801.22x = 27,315.78 × 11,841.35
  4. Step 4: Simplify right side
    19,801.22x = 323,455,711.50
  5. Step 5: Solve for x
    x = 323,455,711.50/19,801.22
  6. Step 6: Final answer
    x = 16,335.14

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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.