Home / 19,355.76-26,712.99-11,397.81

Finding the Fourth Proportional to 19,355.76, 26,712.99 and 11,397.81

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Solution

The fourth proportional to 19,355.76, 26,712.99 and 11,397.81 is: 15,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.76 : 26,712.99 = 11,397.81 : x
  2. Step 2: Convert to fraction form
    19,355.76/26,712.99 = 11,397.81/x
  3. Step 3: Cross multiply
    19,355.76x = 26,712.99 × 11,397.81
  4. Step 4: Simplify right side
    19,355.76x = 304,469,684.73
  5. Step 5: Solve for x
    x = 304,469,684.73/19,355.76
  6. Step 6: Final answer
    x = 15,730.18

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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.