Home / 20,454.24-30,687.36-6,602.88

Finding the Fourth Proportional to 20,454.24, 30,687.36 and 6,602.88

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Solution

The fourth proportional to 20,454.24, 30,687.36 and 6,602.88 is: 9,906.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,454.24 : 30,687.36 = 6,602.88 : x
  2. Step 2: Convert to fraction form
    20,454.24/30,687.36 = 6,602.88/x
  3. Step 3: Cross multiply
    20,454.24x = 30,687.36 × 6,602.88
  4. Step 4: Simplify right side
    20,454.24x = 202,624,955.60
  5. Step 5: Solve for x
    x = 202,624,955.60/20,454.24
  6. Step 6: Final answer
    x = 9,906.26

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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.