Home / 17,631.90-26,449.67-12,137.06

Finding the Fourth Proportional to 17,631.90, 26,449.67 and 12,137.06

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Solution

The fourth proportional to 17,631.90, 26,449.67 and 12,137.06 is: 18,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631.90 : 26,449.67 = 12,137.06 : x
  2. Step 2: Convert to fraction form
    17,631.90/26,449.67 = 12,137.06/x
  3. Step 3: Cross multiply
    17,631.90x = 26,449.67 × 12,137.06
  4. Step 4: Simplify right side
    17,631.90x = 321,021,328.24
  5. Step 5: Solve for x
    x = 321,021,328.24/17,631.90
  6. Step 6: Final answer
    x = 18,206.85

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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.