Home / 18,260.01-27,389.43-7,727.18

Finding the Fourth Proportional to 18,260.01, 27,389.43 and 7,727.18

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Solution

The fourth proportional to 18,260.01, 27,389.43 and 7,727.18 is: 11,590.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.01 : 27,389.43 = 7,727.18 : x
  2. Step 2: Convert to fraction form
    18,260.01/27,389.43 = 7,727.18/x
  3. Step 3: Cross multiply
    18,260.01x = 27,389.43 × 7,727.18
  4. Step 4: Simplify right side
    18,260.01x = 211,642,918.76
  5. Step 5: Solve for x
    x = 211,642,918.76/18,260.01
  6. Step 6: Final answer
    x = 11,590.51

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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.