Home / 12,626.11-18,955.95-10,789.03

Finding the Fourth Proportional to 12,626.11, 18,955.95 and 10,789.03

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Solution

The fourth proportional to 12,626.11, 18,955.95 and 10,789.03 is: 16,197.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626.11 : 18,955.95 = 10,789.03 : x
  2. Step 2: Convert to fraction form
    12,626.11/18,955.95 = 10,789.03/x
  3. Step 3: Cross multiply
    12,626.11x = 18,955.95 × 10,789.03
  4. Step 4: Simplify right side
    12,626.11x = 204,516,313.23
  5. Step 5: Solve for x
    x = 204,516,313.23/12,626.11
  6. Step 6: Final answer
    x = 16,197.89

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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.