Home / 13,761.36-20,642.04-5,970

Finding the Fourth Proportional to 13,761.36, 20,642.04 and 5,970

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Solution

The fourth proportional to 13,761.36, 20,642.04 and 5,970 is: 8,955

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.36 : 20,642.04 = 5,970 : x
  2. Step 2: Convert to fraction form
    13,761.36/20,642.04 = 5,970/x
  3. Step 3: Cross multiply
    13,761.36x = 20,642.04 × 5,970
  4. Step 4: Simplify right side
    13,761.36x = 123,232,978.80
  5. Step 5: Solve for x
    x = 123,232,978.80/13,761.36
  6. Step 6: Final answer
    x = 8,955

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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.