Home / 13,746.98-18,922.91-11,864.54

Finding the Fourth Proportional to 13,746.98, 18,922.91 and 11,864.54

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Solution

The fourth proportional to 13,746.98, 18,922.91 and 11,864.54 is: 16,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.98 : 18,922.91 = 11,864.54 : x
  2. Step 2: Convert to fraction form
    13,746.98/18,922.91 = 11,864.54/x
  3. Step 3: Cross multiply
    13,746.98x = 18,922.91 × 11,864.54
  4. Step 4: Simplify right side
    13,746.98x = 224,511,610.60
  5. Step 5: Solve for x
    x = 224,511,610.60/13,746.98
  6. Step 6: Final answer
    x = 16,331.70

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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.