Home / 12,726.37-19,081.88-5,705.11

Finding the Fourth Proportional to 12,726.37, 19,081.88 and 5,705.11

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Solution

The fourth proportional to 12,726.37, 19,081.88 and 5,705.11 is: 8,554.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.37 : 19,081.88 = 5,705.11 : x
  2. Step 2: Convert to fraction form
    12,726.37/19,081.88 = 5,705.11/x
  3. Step 3: Cross multiply
    12,726.37x = 19,081.88 × 5,705.11
  4. Step 4: Simplify right side
    12,726.37x = 108,864,187.46
  5. Step 5: Solve for x
    x = 108,864,187.46/12,726.37
  6. Step 6: Final answer
    x = 8,554.22

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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.