Home / 14,691.50-20,274.73-8,317.99

Finding the Fourth Proportional to 14,691.50, 20,274.73 and 8,317.99

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Solution

The fourth proportional to 14,691.50, 20,274.73 and 8,317.99 is: 11,479.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691.50 : 20,274.73 = 8,317.99 : x
  2. Step 2: Convert to fraction form
    14,691.50/20,274.73 = 8,317.99/x
  3. Step 3: Cross multiply
    14,691.50x = 20,274.73 × 8,317.99
  4. Step 4: Simplify right side
    14,691.50x = 168,645,029.34
  5. Step 5: Solve for x
    x = 168,645,029.34/14,691.50
  6. Step 6: Final answer
    x = 11,479.09

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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.