Home / 18,966.61-28,435.83-9,096.49

Finding the Fourth Proportional to 18,966.61, 28,435.83 and 9,096.49

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Solution

The fourth proportional to 18,966.61, 28,435.83 and 9,096.49 is: 13,637.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966.61 : 28,435.83 = 9,096.49 : x
  2. Step 2: Convert to fraction form
    18,966.61/28,435.83 = 9,096.49/x
  3. Step 3: Cross multiply
    18,966.61x = 28,435.83 × 9,096.49
  4. Step 4: Simplify right side
    18,966.61x = 258,666,243.24
  5. Step 5: Solve for x
    x = 258,666,243.24/18,966.61
  6. Step 6: Final answer
    x = 13,637.98

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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.