Home / 18,184.14-27,283.86-9,870

Finding the Fourth Proportional to 18,184.14, 27,283.86 and 9,870

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Solution

The fourth proportional to 18,184.14, 27,283.86 and 9,870 is: 14,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184.14 : 27,283.86 = 9,870 : x
  2. Step 2: Convert to fraction form
    18,184.14/27,283.86 = 9,870/x
  3. Step 3: Cross multiply
    18,184.14x = 27,283.86 × 9,870
  4. Step 4: Simplify right side
    18,184.14x = 269,291,698.20
  5. Step 5: Solve for x
    x = 269,291,698.20/18,184.14
  6. Step 6: Final answer
    x = 14,809.15

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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.