Home / 13,973.72-20,960.59-3,585.47

Finding the Fourth Proportional to 13,973.72, 20,960.59 and 3,585.47

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Solution

The fourth proportional to 13,973.72, 20,960.59 and 3,585.47 is: 5,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.72 : 20,960.59 = 3,585.47 : x
  2. Step 2: Convert to fraction form
    13,973.72/20,960.59 = 3,585.47/x
  3. Step 3: Cross multiply
    13,973.72x = 20,960.59 × 3,585.47
  4. Step 4: Simplify right side
    13,973.72x = 75,153,566.63
  5. Step 5: Solve for x
    x = 75,153,566.63/13,973.72
  6. Step 6: Final answer
    x = 5,378.21

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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.