Home / 22,024.71-30,394.44-12,956.49

Finding the Fourth Proportional to 22,024.71, 30,394.44 and 12,956.49

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Solution

The fourth proportional to 22,024.71, 30,394.44 and 12,956.49 is: 17,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,024.71 : 30,394.44 = 12,956.49 : x
  2. Step 2: Convert to fraction form
    22,024.71/30,394.44 = 12,956.49/x
  3. Step 3: Cross multiply
    22,024.71x = 30,394.44 × 12,956.49
  4. Step 4: Simplify right side
    22,024.71x = 393,805,257.92
  5. Step 5: Solve for x
    x = 393,805,257.92/22,024.71
  6. Step 6: Final answer
    x = 17,880.16

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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.