Home / 20,395.70-30,598.29-6,354.99

Finding the Fourth Proportional to 20,395.70, 30,598.29 and 6,354.99

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Solution

The fourth proportional to 20,395.70, 30,598.29 and 6,354.99 is: 9,533.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,395.70 : 30,598.29 = 6,354.99 : x
  2. Step 2: Convert to fraction form
    20,395.70/30,598.29 = 6,354.99/x
  3. Step 3: Cross multiply
    20,395.70x = 30,598.29 × 6,354.99
  4. Step 4: Simplify right side
    20,395.70x = 194,451,826.97
  5. Step 5: Solve for x
    x = 194,451,826.97/20,395.70
  6. Step 6: Final answer
    x = 9,533.96

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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.