Home / 20,396.02-30,588.14-5,605.42

Finding the Fourth Proportional to 20,396.02, 30,588.14 and 5,605.42

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Solution

The fourth proportional to 20,396.02, 30,588.14 and 5,605.42 is: 8,406.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,396.02 : 30,588.14 = 5,605.42 : x
  2. Step 2: Convert to fraction form
    20,396.02/30,588.14 = 5,605.42/x
  3. Step 3: Cross multiply
    20,396.02x = 30,588.14 × 5,605.42
  4. Step 4: Simplify right side
    20,396.02x = 171,459,371.72
  5. Step 5: Solve for x
    x = 171,459,371.72/20,396.02
  6. Step 6: Final answer
    x = 8,406.51

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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.