Home / 20,396.04-30,581.82-7,064.64

Finding the Fourth Proportional to 20,396.04, 30,581.82 and 7,064.64

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Solution

The fourth proportional to 20,396.04, 30,581.82 and 7,064.64 is: 10,592.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,396.04 : 30,581.82 = 7,064.64 : x
  2. Step 2: Convert to fraction form
    20,396.04/30,581.82 = 7,064.64/x
  3. Step 3: Cross multiply
    20,396.04x = 30,581.82 × 7,064.64
  4. Step 4: Simplify right side
    20,396.04x = 216,049,548.84
  5. Step 5: Solve for x
    x = 216,049,548.84/20,396.04
  6. Step 6: Final answer
    x = 10,592.72

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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.