Home / 18,419.57-27,632.09-6,572.42

Finding the Fourth Proportional to 18,419.57, 27,632.09 and 6,572.42

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Solution

The fourth proportional to 18,419.57, 27,632.09 and 6,572.42 is: 9,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,419.57 : 27,632.09 = 6,572.42 : x
  2. Step 2: Convert to fraction form
    18,419.57/27,632.09 = 6,572.42/x
  3. Step 3: Cross multiply
    18,419.57x = 27,632.09 × 6,572.42
  4. Step 4: Simplify right side
    18,419.57x = 181,609,579.23
  5. Step 5: Solve for x
    x = 181,609,579.23/18,419.57
  6. Step 6: Final answer
    x = 9,859.60

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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.