Home / 13,940.70-19,244.88-9,404.52

Finding the Fourth Proportional to 13,940.70, 19,244.88 and 9,404.52

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Solution

The fourth proportional to 13,940.70, 19,244.88 and 9,404.52 is: 12,982.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.70 : 19,244.88 = 9,404.52 : x
  2. Step 2: Convert to fraction form
    13,940.70/19,244.88 = 9,404.52/x
  3. Step 3: Cross multiply
    13,940.70x = 19,244.88 × 9,404.52
  4. Step 4: Simplify right side
    13,940.70x = 180,988,858.86
  5. Step 5: Solve for x
    x = 180,988,858.86/13,940.70
  6. Step 6: Final answer
    x = 12,982.77

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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.