Home / 14,587.24-20,129.64-8,299.48

Finding the Fourth Proportional to 14,587.24, 20,129.64 and 8,299.48

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Solution

The fourth proportional to 14,587.24, 20,129.64 and 8,299.48 is: 11,452.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.24 : 20,129.64 = 8,299.48 : x
  2. Step 2: Convert to fraction form
    14,587.24/20,129.64 = 8,299.48/x
  3. Step 3: Cross multiply
    14,587.24x = 20,129.64 × 8,299.48
  4. Step 4: Simplify right side
    14,587.24x = 167,065,544.59
  5. Step 5: Solve for x
    x = 167,065,544.59/14,587.24
  6. Step 6: Final answer
    x = 11,452.86

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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.