Home / 13,344.46-18,415.24-7,376

Finding the Fourth Proportional to 13,344.46, 18,415.24 and 7,376

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Solution

The fourth proportional to 13,344.46, 18,415.24 and 7,376 is: 10,178.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.46 : 18,415.24 = 7,376 : x
  2. Step 2: Convert to fraction form
    13,344.46/18,415.24 = 7,376/x
  3. Step 3: Cross multiply
    13,344.46x = 18,415.24 × 7,376
  4. Step 4: Simplify right side
    13,344.46x = 135,830,810.24
  5. Step 5: Solve for x
    x = 135,830,810.24/13,344.46
  6. Step 6: Final answer
    x = 10,178.82

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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.