Home / 15,333.54-21,155.03-9,962.73

Finding the Fourth Proportional to 15,333.54, 21,155.03 and 9,962.73

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Solution

The fourth proportional to 15,333.54, 21,155.03 and 9,962.73 is: 13,745.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,333.54 : 21,155.03 = 9,962.73 : x
  2. Step 2: Convert to fraction form
    15,333.54/21,155.03 = 9,962.73/x
  3. Step 3: Cross multiply
    15,333.54x = 21,155.03 × 9,962.73
  4. Step 4: Simplify right side
    15,333.54x = 210,761,956.27
  5. Step 5: Solve for x
    x = 210,761,956.27/15,333.54
  6. Step 6: Final answer
    x = 13,745.16

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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.