Home / 14,270.99-19,712.78-10,954.78

Finding the Fourth Proportional to 14,270.99, 19,712.78 and 10,954.78

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Solution

The fourth proportional to 14,270.99, 19,712.78 and 10,954.78 is: 15,132.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.99 : 19,712.78 = 10,954.78 : x
  2. Step 2: Convert to fraction form
    14,270.99/19,712.78 = 10,954.78/x
  3. Step 3: Cross multiply
    14,270.99x = 19,712.78 × 10,954.78
  4. Step 4: Simplify right side
    14,270.99x = 215,949,166.73
  5. Step 5: Solve for x
    x = 215,949,166.73/14,270.99
  6. Step 6: Final answer
    x = 15,132.04

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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.