Home / 20,260.28-30,386.94-5,465.90

Finding the Fourth Proportional to 20,260.28, 30,386.94 and 5,465.90

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Solution

The fourth proportional to 20,260.28, 30,386.94 and 5,465.90 is: 8,197.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.28 : 30,386.94 = 5,465.90 : x
  2. Step 2: Convert to fraction form
    20,260.28/30,386.94 = 5,465.90/x
  3. Step 3: Cross multiply
    20,260.28x = 30,386.94 × 5,465.90
  4. Step 4: Simplify right side
    20,260.28x = 166,091,975.35
  5. Step 5: Solve for x
    x = 166,091,975.35/20,260.28
  6. Step 6: Final answer
    x = 8,197.91

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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.