Home / 15,555.24-23,328-6,787.80

Finding the Fourth Proportional to 15,555.24, 23,328 and 6,787.80

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Solution

The fourth proportional to 15,555.24, 23,328 and 6,787.80 is: 10,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.24 : 23,328 = 6,787.80 : x
  2. Step 2: Convert to fraction form
    15,555.24/23,328 = 6,787.80/x
  3. Step 3: Cross multiply
    15,555.24x = 23,328 × 6,787.80
  4. Step 4: Simplify right side
    15,555.24x = 158,345,798.40
  5. Step 5: Solve for x
    x = 158,345,798.40/15,555.24
  6. Step 6: Final answer
    x = 10,179.58

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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.