Home / 18,388.04-27,582.97-5,242.35

Finding the Fourth Proportional to 18,388.04, 27,582.97 and 5,242.35

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Solution

The fourth proportional to 18,388.04, 27,582.97 and 5,242.35 is: 7,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388.04 : 27,582.97 = 5,242.35 : x
  2. Step 2: Convert to fraction form
    18,388.04/27,582.97 = 5,242.35/x
  3. Step 3: Cross multiply
    18,388.04x = 27,582.97 × 5,242.35
  4. Step 4: Simplify right side
    18,388.04x = 144,599,582.78
  5. Step 5: Solve for x
    x = 144,599,582.78/18,388.04
  6. Step 6: Final answer
    x = 7,863.78

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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.