Home / 10,156.21-15,223.92-5,764.39

Finding the Fourth Proportional to 10,156.21, 15,223.92 and 5,764.39

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Solution

The fourth proportional to 10,156.21, 15,223.92 and 5,764.39 is: 8,640.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.21 : 15,223.92 = 5,764.39 : x
  2. Step 2: Convert to fraction form
    10,156.21/15,223.92 = 5,764.39/x
  3. Step 3: Cross multiply
    10,156.21x = 15,223.92 × 5,764.39
  4. Step 4: Simplify right side
    10,156.21x = 87,756,612.21
  5. Step 5: Solve for x
    x = 87,756,612.21/10,156.21
  6. Step 6: Final answer
    x = 8,640.69

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1.5x scale

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.