Home / 13,307.90-19,963.40-4,424.03

Finding the Fourth Proportional to 13,307.90, 19,963.40 and 4,424.03

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Solution

The fourth proportional to 13,307.90, 19,963.40 and 4,424.03 is: 6,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.90 : 19,963.40 = 4,424.03 : x
  2. Step 2: Convert to fraction form
    13,307.90/19,963.40 = 4,424.03/x
  3. Step 3: Cross multiply
    13,307.90x = 19,963.40 × 4,424.03
  4. Step 4: Simplify right side
    13,307.90x = 88,318,680.50
  5. Step 5: Solve for x
    x = 88,318,680.50/13,307.90
  6. Step 6: Final answer
    x = 6,636.56

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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.