Home / 14,043.68-19,379.40-7,756.04

Finding the Fourth Proportional to 14,043.68, 19,379.40 and 7,756.04

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Solution

The fourth proportional to 14,043.68, 19,379.40 and 7,756.04 is: 10,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.68 : 19,379.40 = 7,756.04 : x
  2. Step 2: Convert to fraction form
    14,043.68/19,379.40 = 7,756.04/x
  3. Step 3: Cross multiply
    14,043.68x = 19,379.40 × 7,756.04
  4. Step 4: Simplify right side
    14,043.68x = 150,307,401.58
  5. Step 5: Solve for x
    x = 150,307,401.58/14,043.68
  6. Step 6: Final answer
    x = 10,702.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.