Home / 13,323.60-19,988.24-3,963.65

Finding the Fourth Proportional to 13,323.60, 19,988.24 and 3,963.65

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Solution

The fourth proportional to 13,323.60, 19,988.24 and 3,963.65 is: 5,946.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.60 : 19,988.24 = 3,963.65 : x
  2. Step 2: Convert to fraction form
    13,323.60/19,988.24 = 3,963.65/x
  3. Step 3: Cross multiply
    13,323.60x = 19,988.24 × 3,963.65
  4. Step 4: Simplify right side
    13,323.60x = 79,226,267.72
  5. Step 5: Solve for x
    x = 79,226,267.72/13,323.60
  6. Step 6: Final answer
    x = 5,946.31

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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.