Home / 18,538.90-27,808.49-14,836.39

Finding the Fourth Proportional to 18,538.90, 27,808.49 and 14,836.39

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Solution

The fourth proportional to 18,538.90, 27,808.49 and 14,836.39 is: 22,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.90 : 27,808.49 = 14,836.39 : x
  2. Step 2: Convert to fraction form
    18,538.90/27,808.49 = 14,836.39/x
  3. Step 3: Cross multiply
    18,538.90x = 27,808.49 × 14,836.39
  4. Step 4: Simplify right side
    18,538.90x = 412,577,602.95
  5. Step 5: Solve for x
    x = 412,577,602.95/18,538.90
  6. Step 6: Final answer
    x = 22,254.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.