Home / 18,489.90-27,737.55-6,802.14

Finding the Fourth Proportional to 18,489.90, 27,737.55 and 6,802.14

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Solution

The fourth proportional to 18,489.90, 27,737.55 and 6,802.14 is: 10,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,489.90 : 27,737.55 = 6,802.14 : x
  2. Step 2: Convert to fraction form
    18,489.90/27,737.55 = 6,802.14/x
  3. Step 3: Cross multiply
    18,489.90x = 27,737.55 × 6,802.14
  4. Step 4: Simplify right side
    18,489.90x = 188,674,698.36
  5. Step 5: Solve for x
    x = 188,674,698.36/18,489.90
  6. Step 6: Final answer
    x = 10,204.20

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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.