Home / 20,283.92-30,400.76-11,492.18

Finding the Fourth Proportional to 20,283.92, 30,400.76 and 11,492.18

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Solution

The fourth proportional to 20,283.92, 30,400.76 and 11,492.18 is: 17,224.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,283.92 : 30,400.76 = 11,492.18 : x
  2. Step 2: Convert to fraction form
    20,283.92/30,400.76 = 11,492.18/x
  3. Step 3: Cross multiply
    20,283.92x = 30,400.76 × 11,492.18
  4. Step 4: Simplify right side
    20,283.92x = 349,371,006.06
  5. Step 5: Solve for x
    x = 349,371,006.06/20,283.92
  6. Step 6: Final answer
    x = 17,224.04

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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.