Home / 18,398.36-27,580.90-6,708.84

Finding the Fourth Proportional to 18,398.36, 27,580.90 and 6,708.84

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Solution

The fourth proportional to 18,398.36, 27,580.90 and 6,708.84 is: 10,057.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398.36 : 27,580.90 = 6,708.84 : x
  2. Step 2: Convert to fraction form
    18,398.36/27,580.90 = 6,708.84/x
  3. Step 3: Cross multiply
    18,398.36x = 27,580.90 × 6,708.84
  4. Step 4: Simplify right side
    18,398.36x = 185,035,845.16
  5. Step 5: Solve for x
    x = 185,035,845.16/18,398.36
  6. Step 6: Final answer
    x = 10,057.19

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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.