Home / 20,346.28-30,507.66-6,302.56

Finding the Fourth Proportional to 20,346.28, 30,507.66 and 6,302.56

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Solution

The fourth proportional to 20,346.28, 30,507.66 and 6,302.56 is: 9,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346.28 : 30,507.66 = 6,302.56 : x
  2. Step 2: Convert to fraction form
    20,346.28/30,507.66 = 6,302.56/x
  3. Step 3: Cross multiply
    20,346.28x = 30,507.66 × 6,302.56
  4. Step 4: Simplify right side
    20,346.28x = 192,276,357.61
  5. Step 5: Solve for x
    x = 192,276,357.61/20,346.28
  6. Step 6: Final answer
    x = 9,450.20

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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.