Home / 20,587.11-30,880.68-5,004.73

Finding the Fourth Proportional to 20,587.11, 30,880.68 and 5,004.73

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Solution

The fourth proportional to 20,587.11, 30,880.68 and 5,004.73 is: 7,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,587.11 : 30,880.68 = 5,004.73 : x
  2. Step 2: Convert to fraction form
    20,587.11/30,880.68 = 5,004.73/x
  3. Step 3: Cross multiply
    20,587.11x = 30,880.68 × 5,004.73
  4. Step 4: Simplify right side
    20,587.11x = 154,549,465.62
  5. Step 5: Solve for x
    x = 154,549,465.62/20,587.11
  6. Step 6: Final answer
    x = 7,507.10

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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.