Home / 15,690.45-23,535.69-11,031.30

Finding the Fourth Proportional to 15,690.45, 23,535.69 and 11,031.30

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Solution

The fourth proportional to 15,690.45, 23,535.69 and 11,031.30 is: 16,546.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690.45 : 23,535.69 = 11,031.30 : x
  2. Step 2: Convert to fraction form
    15,690.45/23,535.69 = 11,031.30/x
  3. Step 3: Cross multiply
    15,690.45x = 23,535.69 × 11,031.30
  4. Step 4: Simplify right side
    15,690.45x = 259,629,257.10
  5. Step 5: Solve for x
    x = 259,629,257.10/15,690.45
  6. Step 6: Final answer
    x = 16,546.96

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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.