Home / 20,277.56-30,416.38-6,426.52

Finding the Fourth Proportional to 20,277.56, 30,416.38 and 6,426.52

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Solution

The fourth proportional to 20,277.56, 30,416.38 and 6,426.52 is: 9,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,277.56 : 30,416.38 = 6,426.52 : x
  2. Step 2: Convert to fraction form
    20,277.56/30,416.38 = 6,426.52/x
  3. Step 3: Cross multiply
    20,277.56x = 30,416.38 × 6,426.52
  4. Step 4: Simplify right side
    20,277.56x = 195,471,474.40
  5. Step 5: Solve for x
    x = 195,471,474.40/20,277.56
  6. Step 6: Final answer
    x = 9,639.79

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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.