Home / 13,715.06-20,599.92-12,941.37

Finding the Fourth Proportional to 13,715.06, 20,599.92 and 12,941.37

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Solution

The fourth proportional to 13,715.06, 20,599.92 and 12,941.37 is: 19,437.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715.06 : 20,599.92 = 12,941.37 : x
  2. Step 2: Convert to fraction form
    13,715.06/20,599.92 = 12,941.37/x
  3. Step 3: Cross multiply
    13,715.06x = 20,599.92 × 12,941.37
  4. Step 4: Simplify right side
    13,715.06x = 266,591,186.69
  5. Step 5: Solve for x
    x = 266,591,186.69/13,715.06
  6. Step 6: Final answer
    x = 19,437.85

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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.