Home / 20,274.30-30,393.83-9,739.04

Finding the Fourth Proportional to 20,274.30, 30,393.83 and 9,739.04

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Solution

The fourth proportional to 20,274.30, 30,393.83 and 9,739.04 is: 14,600.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,274.30 : 30,393.83 = 9,739.04 : x
  2. Step 2: Convert to fraction form
    20,274.30/30,393.83 = 9,739.04/x
  3. Step 3: Cross multiply
    20,274.30x = 30,393.83 × 9,739.04
  4. Step 4: Simplify right side
    20,274.30x = 296,006,598.50
  5. Step 5: Solve for x
    x = 296,006,598.50/20,274.30
  6. Step 6: Final answer
    x = 14,600.09

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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.