Home / 15,195.08-22,717.68-12,880.91

Finding the Fourth Proportional to 15,195.08, 22,717.68 and 12,880.91

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Solution

The fourth proportional to 15,195.08, 22,717.68 and 12,880.91 is: 19,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,195.08 : 22,717.68 = 12,880.91 : x
  2. Step 2: Convert to fraction form
    15,195.08/22,717.68 = 12,880.91/x
  3. Step 3: Cross multiply
    15,195.08x = 22,717.68 × 12,880.91
  4. Step 4: Simplify right side
    15,195.08x = 292,624,391.49
  5. Step 5: Solve for x
    x = 292,624,391.49/15,195.08
  6. Step 6: Final answer
    x = 19,257.84

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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.