Home / 10,311.21-14,229.41-5,595.39

Finding the Fourth Proportional to 10,311.21, 14,229.41 and 5,595.39

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Solution

The fourth proportional to 10,311.21, 14,229.41 and 5,595.39 is: 7,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.21 : 14,229.41 = 5,595.39 : x
  2. Step 2: Convert to fraction form
    10,311.21/14,229.41 = 5,595.39/x
  3. Step 3: Cross multiply
    10,311.21x = 14,229.41 × 5,595.39
  4. Step 4: Simplify right side
    10,311.21x = 79,619,070.44
  5. Step 5: Solve for x
    x = 79,619,070.44/10,311.21
  6. Step 6: Final answer
    x = 7,721.60

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1.5x scale

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.