Home / 13,537.42-20,307.30-4,772.41

Finding the Fourth Proportional to 13,537.42, 20,307.30 and 4,772.41

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Solution

The fourth proportional to 13,537.42, 20,307.30 and 4,772.41 is: 7,159.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.42 : 20,307.30 = 4,772.41 : x
  2. Step 2: Convert to fraction form
    13,537.42/20,307.30 = 4,772.41/x
  3. Step 3: Cross multiply
    13,537.42x = 20,307.30 × 4,772.41
  4. Step 4: Simplify right side
    13,537.42x = 96,914,761.59
  5. Step 5: Solve for x
    x = 96,914,761.59/13,537.42
  6. Step 6: Final answer
    x = 7,159.03

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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.