Home / 15,898.11-21,940.46-9,184.02

Finding the Fourth Proportional to 15,898.11, 21,940.46 and 9,184.02

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Solution

The fourth proportional to 15,898.11, 21,940.46 and 9,184.02 is: 12,674.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,898.11 : 21,940.46 = 9,184.02 : x
  2. Step 2: Convert to fraction form
    15,898.11/21,940.46 = 9,184.02/x
  3. Step 3: Cross multiply
    15,898.11x = 21,940.46 × 9,184.02
  4. Step 4: Simplify right side
    15,898.11x = 201,501,577.53
  5. Step 5: Solve for x
    x = 201,501,577.53/15,898.11
  6. Step 6: Final answer
    x = 12,674.56

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Why These Related Problems?

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