Home / 19,659.76-29,441.12-14,650.17

Finding the Fourth Proportional to 19,659.76, 29,441.12 and 14,650.17

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Solution

The fourth proportional to 19,659.76, 29,441.12 and 14,650.17 is: 21,939.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659.76 : 29,441.12 = 14,650.17 : x
  2. Step 2: Convert to fraction form
    19,659.76/29,441.12 = 14,650.17/x
  3. Step 3: Cross multiply
    19,659.76x = 29,441.12 × 14,650.17
  4. Step 4: Simplify right side
    19,659.76x = 431,317,311.74
  5. Step 5: Solve for x
    x = 431,317,311.74/19,659.76
  6. Step 6: Final answer
    x = 21,939.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.