Home / 16,842.90-23,236.56-9,765.12

Finding the Fourth Proportional to 16,842.90, 23,236.56 and 9,765.12

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Solution

The fourth proportional to 16,842.90, 23,236.56 and 9,765.12 is: 13,472.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,842.90 : 23,236.56 = 9,765.12 : x
  2. Step 2: Convert to fraction form
    16,842.90/23,236.56 = 9,765.12/x
  3. Step 3: Cross multiply
    16,842.90x = 23,236.56 × 9,765.12
  4. Step 4: Simplify right side
    16,842.90x = 226,907,796.79
  5. Step 5: Solve for x
    x = 226,907,796.79/16,842.90
  6. Step 6: Final answer
    x = 13,472.01

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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.