Home / 22,218.07-30,660.59-12,146.28

Finding the Fourth Proportional to 22,218.07, 30,660.59 and 12,146.28

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Solution

The fourth proportional to 22,218.07, 30,660.59 and 12,146.28 is: 16,761.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218.07 : 30,660.59 = 12,146.28 : x
  2. Step 2: Convert to fraction form
    22,218.07/30,660.59 = 12,146.28/x
  3. Step 3: Cross multiply
    22,218.07x = 30,660.59 × 12,146.28
  4. Step 4: Simplify right side
    22,218.07x = 372,411,935.40
  5. Step 5: Solve for x
    x = 372,411,935.40/22,218.07
  6. Step 6: Final answer
    x = 16,761.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.