Home / 18,816.36-28,237.89-7,733.13

Finding the Fourth Proportional to 18,816.36, 28,237.89 and 7,733.13

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Solution

The fourth proportional to 18,816.36, 28,237.89 and 7,733.13 is: 11,605.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.36 : 28,237.89 = 7,733.13 : x
  2. Step 2: Convert to fraction form
    18,816.36/28,237.89 = 7,733.13/x
  3. Step 3: Cross multiply
    18,816.36x = 28,237.89 × 7,733.13
  4. Step 4: Simplify right side
    18,816.36x = 218,367,274.30
  5. Step 5: Solve for x
    x = 218,367,274.30/18,816.36
  6. Step 6: Final answer
    x = 11,605.18

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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.