Home / 22,313.76-30,792.74-12,882.12

Finding the Fourth Proportional to 22,313.76, 30,792.74 and 12,882.12

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Solution

The fourth proportional to 22,313.76, 30,792.74 and 12,882.12 is: 17,777.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,313.76 : 30,792.74 = 12,882.12 : x
  2. Step 2: Convert to fraction form
    22,313.76/30,792.74 = 12,882.12/x
  3. Step 3: Cross multiply
    22,313.76x = 30,792.74 × 12,882.12
  4. Step 4: Simplify right side
    22,313.76x = 396,675,707.40
  5. Step 5: Solve for x
    x = 396,675,707.40/22,313.76
  6. Step 6: Final answer
    x = 17,777.18

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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.