Home / 14,849.73-20,492.58-8,135.76

Finding the Fourth Proportional to 14,849.73, 20,492.58 and 8,135.76

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Solution

The fourth proportional to 14,849.73, 20,492.58 and 8,135.76 is: 11,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,849.73 : 20,492.58 = 8,135.76 : x
  2. Step 2: Convert to fraction form
    14,849.73/20,492.58 = 8,135.76/x
  3. Step 3: Cross multiply
    14,849.73x = 20,492.58 × 8,135.76
  4. Step 4: Simplify right side
    14,849.73x = 166,722,712.66
  5. Step 5: Solve for x
    x = 166,722,712.66/14,849.73
  6. Step 6: Final answer
    x = 11,227.32

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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.