Home / 14,575.26-20,113.47-8,289.66

Finding the Fourth Proportional to 14,575.26, 20,113.47 and 8,289.66

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Solution

The fourth proportional to 14,575.26, 20,113.47 and 8,289.66 is: 11,439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.26 : 20,113.47 = 8,289.66 : x
  2. Step 2: Convert to fraction form
    14,575.26/20,113.47 = 8,289.66/x
  3. Step 3: Cross multiply
    14,575.26x = 20,113.47 × 8,289.66
  4. Step 4: Simplify right side
    14,575.26x = 166,733,827.72
  5. Step 5: Solve for x
    x = 166,733,827.72/14,575.26
  6. Step 6: Final answer
    x = 11,439.51

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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.