Home / 19,260.72-26,581.68-11,706.39

Finding the Fourth Proportional to 19,260.72, 26,581.68 and 11,706.39

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Solution

The fourth proportional to 19,260.72, 26,581.68 and 11,706.39 is: 16,155.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260.72 : 26,581.68 = 11,706.39 : x
  2. Step 2: Convert to fraction form
    19,260.72/26,581.68 = 11,706.39/x
  3. Step 3: Cross multiply
    19,260.72x = 26,581.68 × 11,706.39
  4. Step 4: Simplify right side
    19,260.72x = 311,175,512.94
  5. Step 5: Solve for x
    x = 311,175,512.94/19,260.72
  6. Step 6: Final answer
    x = 16,155.96

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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.