Home / 20,307.28-30,465.26-6,076.88

Finding the Fourth Proportional to 20,307.28, 30,465.26 and 6,076.88

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Solution

The fourth proportional to 20,307.28, 30,465.26 and 6,076.88 is: 9,116.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,307.28 : 30,465.26 = 6,076.88 : x
  2. Step 2: Convert to fraction form
    20,307.28/30,465.26 = 6,076.88/x
  3. Step 3: Cross multiply
    20,307.28x = 30,465.26 × 6,076.88
  4. Step 4: Simplify right side
    20,307.28x = 185,133,729.19
  5. Step 5: Solve for x
    x = 185,133,729.19/20,307.28
  6. Step 6: Final answer
    x = 9,116.62

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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.