Home / 14,512.74-20,029.20-8,545.89

Finding the Fourth Proportional to 14,512.74, 20,029.20 and 8,545.89

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Solution

The fourth proportional to 14,512.74, 20,029.20 and 8,545.89 is: 11,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.74 : 20,029.20 = 8,545.89 : x
  2. Step 2: Convert to fraction form
    14,512.74/20,029.20 = 8,545.89/x
  3. Step 3: Cross multiply
    14,512.74x = 20,029.20 × 8,545.89
  4. Step 4: Simplify right side
    14,512.74x = 171,167,339.99
  5. Step 5: Solve for x
    x = 171,167,339.99/14,512.74
  6. Step 6: Final answer
    x = 11,794.28

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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.