Home / 19,194.76-28,792.14-10,981

Finding the Fourth Proportional to 19,194.76, 28,792.14 and 10,981

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Solution

The fourth proportional to 19,194.76, 28,792.14 and 10,981 is: 16,471.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.76 : 28,792.14 = 10,981 : x
  2. Step 2: Convert to fraction form
    19,194.76/28,792.14 = 10,981/x
  3. Step 3: Cross multiply
    19,194.76x = 28,792.14 × 10,981
  4. Step 4: Simplify right side
    19,194.76x = 316,166,489.34
  5. Step 5: Solve for x
    x = 316,166,489.34/19,194.76
  6. Step 6: Final answer
    x = 16,471.50

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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.