Home / 18,603.32-27,905.74-4,752.68

Finding the Fourth Proportional to 18,603.32, 27,905.74 and 4,752.68

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Solution

The fourth proportional to 18,603.32, 27,905.74 and 4,752.68 is: 7,129.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603.32 : 27,905.74 = 4,752.68 : x
  2. Step 2: Convert to fraction form
    18,603.32/27,905.74 = 4,752.68/x
  3. Step 3: Cross multiply
    18,603.32x = 27,905.74 × 4,752.68
  4. Step 4: Simplify right side
    18,603.32x = 132,627,052.38
  5. Step 5: Solve for x
    x = 132,627,052.38/18,603.32
  6. Step 6: Final answer
    x = 7,129.21

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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.