Home / 18,004.39-26,988.13-6,908.11

Finding the Fourth Proportional to 18,004.39, 26,988.13 and 6,908.11

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Solution

The fourth proportional to 18,004.39, 26,988.13 and 6,908.11 is: 10,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,004.39 : 26,988.13 = 6,908.11 : x
  2. Step 2: Convert to fraction form
    18,004.39/26,988.13 = 6,908.11/x
  3. Step 3: Cross multiply
    18,004.39x = 26,988.13 × 6,908.11
  4. Step 4: Simplify right side
    18,004.39x = 186,436,970.73
  5. Step 5: Solve for x
    x = 186,436,970.73/18,004.39
  6. Step 6: Final answer
    x = 10,355.08

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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.