Home / 14,942.64-22,418.80-7,152

Finding the Fourth Proportional to 14,942.64, 22,418.80 and 7,152

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Solution

The fourth proportional to 14,942.64, 22,418.80 and 7,152 is: 10,730.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942.64 : 22,418.80 = 7,152 : x
  2. Step 2: Convert to fraction form
    14,942.64/22,418.80 = 7,152/x
  3. Step 3: Cross multiply
    14,942.64x = 22,418.80 × 7,152
  4. Step 4: Simplify right side
    14,942.64x = 160,339,257.60
  5. Step 5: Solve for x
    x = 160,339,257.60/14,942.64
  6. Step 6: Final answer
    x = 10,730.32

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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.