Home / 20,055.28-30,087.72-6,204.28

Finding the Fourth Proportional to 20,055.28, 30,087.72 and 6,204.28

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Solution

The fourth proportional to 20,055.28, 30,087.72 and 6,204.28 is: 9,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.28 : 30,087.72 = 6,204.28 : x
  2. Step 2: Convert to fraction form
    20,055.28/30,087.72 = 6,204.28/x
  3. Step 3: Cross multiply
    20,055.28x = 30,087.72 × 6,204.28
  4. Step 4: Simplify right side
    20,055.28x = 186,672,639.44
  5. Step 5: Solve for x
    x = 186,672,639.44/20,055.28
  6. Step 6: Final answer
    x = 9,307.90

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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.