Home / 15,499.64-23,218.32-7,167.98

Finding the Fourth Proportional to 15,499.64, 23,218.32 and 7,167.98

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Solution

The fourth proportional to 15,499.64, 23,218.32 and 7,167.98 is: 10,737.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499.64 : 23,218.32 = 7,167.98 : x
  2. Step 2: Convert to fraction form
    15,499.64/23,218.32 = 7,167.98/x
  3. Step 3: Cross multiply
    15,499.64x = 23,218.32 × 7,167.98
  4. Step 4: Simplify right side
    15,499.64x = 166,428,453.39
  5. Step 5: Solve for x
    x = 166,428,453.39/15,499.64
  6. Step 6: Final answer
    x = 10,737.57

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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.