Home / 19,906.46-29,857.39-7,426.92

Finding the Fourth Proportional to 19,906.46, 29,857.39 and 7,426.92

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Solution

The fourth proportional to 19,906.46, 29,857.39 and 7,426.92 is: 11,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.46 : 29,857.39 = 7,426.92 : x
  2. Step 2: Convert to fraction form
    19,906.46/29,857.39 = 7,426.92/x
  3. Step 3: Cross multiply
    19,906.46x = 29,857.39 × 7,426.92
  4. Step 4: Simplify right side
    19,906.46x = 221,748,446.94
  5. Step 5: Solve for x
    x = 221,748,446.94/19,906.46
  6. Step 6: Final answer
    x = 11,139.52

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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.