Home / 17,940.40-26,898.45-9,168.10

Finding the Fourth Proportional to 17,940.40, 26,898.45 and 9,168.10

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Solution

The fourth proportional to 17,940.40, 26,898.45 and 9,168.10 is: 13,745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940.40 : 26,898.45 = 9,168.10 : x
  2. Step 2: Convert to fraction form
    17,940.40/26,898.45 = 9,168.10/x
  3. Step 3: Cross multiply
    17,940.40x = 26,898.45 × 9,168.10
  4. Step 4: Simplify right side
    17,940.40x = 246,607,679.45
  5. Step 5: Solve for x
    x = 246,607,679.45/17,940.40
  6. Step 6: Final answer
    x = 13,745.94

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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.