Home / 13,272.90-19,895.37-6,685.24

Finding the Fourth Proportional to 13,272.90, 19,895.37 and 6,685.24

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Solution

The fourth proportional to 13,272.90, 19,895.37 and 6,685.24 is: 10,020.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.90 : 19,895.37 = 6,685.24 : x
  2. Step 2: Convert to fraction form
    13,272.90/19,895.37 = 6,685.24/x
  3. Step 3: Cross multiply
    13,272.90x = 19,895.37 × 6,685.24
  4. Step 4: Simplify right side
    13,272.90x = 133,005,323.34
  5. Step 5: Solve for x
    x = 133,005,323.34/13,272.90
  6. Step 6: Final answer
    x = 10,020.82

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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.