Home / 11,031.24-16,552.37-6,870.21

Finding the Fourth Proportional to 11,031.24, 16,552.37 and 6,870.21

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Solution

The fourth proportional to 11,031.24, 16,552.37 and 6,870.21 is: 10,308.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.24 : 16,552.37 = 6,870.21 : x
  2. Step 2: Convert to fraction form
    11,031.24/16,552.37 = 6,870.21/x
  3. Step 3: Cross multiply
    11,031.24x = 16,552.37 × 6,870.21
  4. Step 4: Simplify right side
    11,031.24x = 113,718,257.90
  5. Step 5: Solve for x
    x = 113,718,257.90/11,031.24
  6. Step 6: Final answer
    x = 10,308.75

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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.