Home / 18,388.48-27,582.78-5,061.66

Finding the Fourth Proportional to 18,388.48, 27,582.78 and 5,061.66

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Solution

The fourth proportional to 18,388.48, 27,582.78 and 5,061.66 is: 7,592.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388.48 : 27,582.78 = 5,061.66 : x
  2. Step 2: Convert to fraction form
    18,388.48/27,582.78 = 5,061.66/x
  3. Step 3: Cross multiply
    18,388.48x = 27,582.78 × 5,061.66
  4. Step 4: Simplify right side
    18,388.48x = 139,614,654.21
  5. Step 5: Solve for x
    x = 139,614,654.21/18,388.48
  6. Step 6: Final answer
    x = 7,592.51

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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.