Home / 18,287.40-27,433.98-6,603.48

Finding the Fourth Proportional to 18,287.40, 27,433.98 and 6,603.48

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Solution

The fourth proportional to 18,287.40, 27,433.98 and 6,603.48 is: 9,906.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.40 : 27,433.98 = 6,603.48 : x
  2. Step 2: Convert to fraction form
    18,287.40/27,433.98 = 6,603.48/x
  3. Step 3: Cross multiply
    18,287.40x = 27,433.98 × 6,603.48
  4. Step 4: Simplify right side
    18,287.40x = 181,159,738.25
  5. Step 5: Solve for x
    x = 181,159,738.25/18,287.40
  6. Step 6: Final answer
    x = 9,906.26

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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.