Home / 19,942.91-27,502.02-13,124.73

Finding the Fourth Proportional to 19,942.91, 27,502.02 and 13,124.73

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Solution

The fourth proportional to 19,942.91, 27,502.02 and 13,124.73 is: 18,099.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.91 : 27,502.02 = 13,124.73 : x
  2. Step 2: Convert to fraction form
    19,942.91/27,502.02 = 13,124.73/x
  3. Step 3: Cross multiply
    19,942.91x = 27,502.02 × 13,124.73
  4. Step 4: Simplify right side
    19,942.91x = 360,956,586.95
  5. Step 5: Solve for x
    x = 360,956,586.95/19,942.91
  6. Step 6: Final answer
    x = 18,099.50

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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.