Home / 16,921.89-23,354.60-9,850.59

Finding the Fourth Proportional to 16,921.89, 23,354.60 and 9,850.59

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Solution

The fourth proportional to 16,921.89, 23,354.60 and 9,850.59 is: 13,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.89 : 23,354.60 = 9,850.59 : x
  2. Step 2: Convert to fraction form
    16,921.89/23,354.60 = 9,850.59/x
  3. Step 3: Cross multiply
    16,921.89x = 23,354.60 × 9,850.59
  4. Step 4: Simplify right side
    16,921.89x = 230,056,539.96
  5. Step 5: Solve for x
    x = 230,056,539.96/16,921.89
  6. Step 6: Final answer
    x = 13,595.20

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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.