Home / 18,496.35-27,726.30-9,128.70

Finding the Fourth Proportional to 18,496.35, 27,726.30 and 9,128.70

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Solution

The fourth proportional to 18,496.35, 27,726.30 and 9,128.70 is: 13,684.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496.35 : 27,726.30 = 9,128.70 : x
  2. Step 2: Convert to fraction form
    18,496.35/27,726.30 = 9,128.70/x
  3. Step 3: Cross multiply
    18,496.35x = 27,726.30 × 9,128.70
  4. Step 4: Simplify right side
    18,496.35x = 253,105,074.81
  5. Step 5: Solve for x
    x = 253,105,074.81/18,496.35
  6. Step 6: Final answer
    x = 13,684.06

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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.