Home / 20,401.12-30,598.44-7,926.85

Finding the Fourth Proportional to 20,401.12, 30,598.44 and 7,926.85

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Solution

The fourth proportional to 20,401.12, 30,598.44 and 7,926.85 is: 11,889.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401.12 : 30,598.44 = 7,926.85 : x
  2. Step 2: Convert to fraction form
    20,401.12/30,598.44 = 7,926.85/x
  3. Step 3: Cross multiply
    20,401.12x = 30,598.44 × 7,926.85
  4. Step 4: Simplify right side
    20,401.12x = 242,549,244.11
  5. Step 5: Solve for x
    x = 242,549,244.11/20,401.12
  6. Step 6: Final answer
    x = 11,889.02

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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.