Home / 12,526.80-18,789.57-4,206.18

Finding the Fourth Proportional to 12,526.80, 18,789.57 and 4,206.18

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Solution

The fourth proportional to 12,526.80, 18,789.57 and 4,206.18 is: 6,309.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.80 : 18,789.57 = 4,206.18 : x
  2. Step 2: Convert to fraction form
    12,526.80/18,789.57 = 4,206.18/x
  3. Step 3: Cross multiply
    12,526.80x = 18,789.57 × 4,206.18
  4. Step 4: Simplify right side
    12,526.80x = 79,032,313.54
  5. Step 5: Solve for x
    x = 79,032,313.54/12,526.80
  6. Step 6: Final answer
    x = 6,309.06

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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.