Home / 18,390.04-27,585.97-5,244.35

Finding the Fourth Proportional to 18,390.04, 27,585.97 and 5,244.35

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Solution

The fourth proportional to 18,390.04, 27,585.97 and 5,244.35 is: 7,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390.04 : 27,585.97 = 5,244.35 : x
  2. Step 2: Convert to fraction form
    18,390.04/27,585.97 = 5,244.35/x
  3. Step 3: Cross multiply
    18,390.04x = 27,585.97 × 5,244.35
  4. Step 4: Simplify right side
    18,390.04x = 144,670,481.77
  5. Step 5: Solve for x
    x = 144,670,481.77/18,390.04
  6. Step 6: Final answer
    x = 7,866.78

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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.