Home / 20,860.45-31,250.35-11,598.37

Finding the Fourth Proportional to 20,860.45, 31,250.35 and 11,598.37

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Solution

The fourth proportional to 20,860.45, 31,250.35 and 11,598.37 is: 17,375.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,860.45 : 31,250.35 = 11,598.37 : x
  2. Step 2: Convert to fraction form
    20,860.45/31,250.35 = 11,598.37/x
  3. Step 3: Cross multiply
    20,860.45x = 31,250.35 × 11,598.37
  4. Step 4: Simplify right side
    20,860.45x = 362,453,121.93
  5. Step 5: Solve for x
    x = 362,453,121.93/20,860.45
  6. Step 6: Final answer
    x = 17,375.13

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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.