Home / 14,974.68-20,664.31-9,005.19

Finding the Fourth Proportional to 14,974.68, 20,664.31 and 9,005.19

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Solution

The fourth proportional to 14,974.68, 20,664.31 and 9,005.19 is: 12,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,974.68 : 20,664.31 = 9,005.19 : x
  2. Step 2: Convert to fraction form
    14,974.68/20,664.31 = 9,005.19/x
  3. Step 3: Cross multiply
    14,974.68x = 20,664.31 × 9,005.19
  4. Step 4: Simplify right side
    14,974.68x = 186,086,037.77
  5. Step 5: Solve for x
    x = 186,086,037.77/14,974.68
  6. Step 6: Final answer
    x = 12,426.71

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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.