Home / 19,913.92-27,471.98-12,842.62

Finding the Fourth Proportional to 19,913.92, 27,471.98 and 12,842.62

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Solution

The fourth proportional to 19,913.92, 27,471.98 and 12,842.62 is: 17,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.92 : 27,471.98 = 12,842.62 : x
  2. Step 2: Convert to fraction form
    19,913.92/27,471.98 = 12,842.62/x
  3. Step 3: Cross multiply
    19,913.92x = 27,471.98 × 12,842.62
  4. Step 4: Simplify right side
    19,913.92x = 352,812,199.79
  5. Step 5: Solve for x
    x = 352,812,199.79/19,913.92
  6. Step 6: Final answer
    x = 17,716.86

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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.