Home / 15,014.24-20,719.04-8,299.44

Finding the Fourth Proportional to 15,014.24, 20,719.04 and 8,299.44

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Solution

The fourth proportional to 15,014.24, 20,719.04 and 8,299.44 is: 11,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,014.24 : 20,719.04 = 8,299.44 : x
  2. Step 2: Convert to fraction form
    15,014.24/20,719.04 = 8,299.44/x
  3. Step 3: Cross multiply
    15,014.24x = 20,719.04 × 8,299.44
  4. Step 4: Simplify right side
    15,014.24x = 171,956,429.34
  5. Step 5: Solve for x
    x = 171,956,429.34/15,014.24
  6. Step 6: Final answer
    x = 11,452.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.