Home / 20,247.02-30,374.14-6,206.76

Finding the Fourth Proportional to 20,247.02, 30,374.14 and 6,206.76

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Solution

The fourth proportional to 20,247.02, 30,374.14 and 6,206.76 is: 9,311.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247.02 : 30,374.14 = 6,206.76 : x
  2. Step 2: Convert to fraction form
    20,247.02/30,374.14 = 6,206.76/x
  3. Step 3: Cross multiply
    20,247.02x = 30,374.14 × 6,206.76
  4. Step 4: Simplify right side
    20,247.02x = 188,524,997.19
  5. Step 5: Solve for x
    x = 188,524,997.19/20,247.02
  6. Step 6: Final answer
    x = 9,311.25

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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.