Home / 10,506.90-15,766.14-4,269.36

Finding the Fourth Proportional to 10,506.90, 15,766.14 and 4,269.36

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Solution

The fourth proportional to 10,506.90, 15,766.14 and 4,269.36 is: 6,406.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,506.90 : 15,766.14 = 4,269.36 : x
  2. Step 2: Convert to fraction form
    10,506.90/15,766.14 = 4,269.36/x
  3. Step 3: Cross multiply
    10,506.90x = 15,766.14 × 4,269.36
  4. Step 4: Simplify right side
    10,506.90x = 67,311,327.47
  5. Step 5: Solve for x
    x = 67,311,327.47/10,506.90
  6. Step 6: Final answer
    x = 6,406.39

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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.