Home / 12,526.22-18,786.90-11,901.71

Finding the Fourth Proportional to 12,526.22, 18,786.90 and 11,901.71

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Solution

The fourth proportional to 12,526.22, 18,786.90 and 11,901.71 is: 17,850.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.22 : 18,786.90 = 11,901.71 : x
  2. Step 2: Convert to fraction form
    12,526.22/18,786.90 = 11,901.71/x
  3. Step 3: Cross multiply
    12,526.22x = 18,786.90 × 11,901.71
  4. Step 4: Simplify right side
    12,526.22x = 223,596,235.60
  5. Step 5: Solve for x
    x = 223,596,235.60/12,526.22
  6. Step 6: Final answer
    x = 17,850.26

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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.