Home / 20,391.04-30,574.32-7,059.64

Finding the Fourth Proportional to 20,391.04, 30,574.32 and 7,059.64

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Solution

The fourth proportional to 20,391.04, 30,574.32 and 7,059.64 is: 10,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,391.04 : 30,574.32 = 7,059.64 : x
  2. Step 2: Convert to fraction form
    20,391.04/30,574.32 = 7,059.64/x
  3. Step 3: Cross multiply
    20,391.04x = 30,574.32 × 7,059.64
  4. Step 4: Simplify right side
    20,391.04x = 215,843,692.44
  5. Step 5: Solve for x
    x = 215,843,692.44/20,391.04
  6. Step 6: Final answer
    x = 10,585.22

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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.