Home / 17,989.72-26,970.54-11,414.68

Finding the Fourth Proportional to 17,989.72, 26,970.54 and 11,414.68

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Solution

The fourth proportional to 17,989.72, 26,970.54 and 11,414.68 is: 17,113.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989.72 : 26,970.54 = 11,414.68 : x
  2. Step 2: Convert to fraction form
    17,989.72/26,970.54 = 11,414.68/x
  3. Step 3: Cross multiply
    17,989.72x = 26,970.54 × 11,414.68
  4. Step 4: Simplify right side
    17,989.72x = 307,860,083.53
  5. Step 5: Solve for x
    x = 307,860,083.53/17,989.72
  6. Step 6: Final answer
    x = 17,113.11

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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.