Home / 13,062.72-19,599.84-6,489.12

Finding the Fourth Proportional to 13,062.72, 19,599.84 and 6,489.12

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Solution

The fourth proportional to 13,062.72, 19,599.84 and 6,489.12 is: 9,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.72 : 19,599.84 = 6,489.12 : x
  2. Step 2: Convert to fraction form
    13,062.72/19,599.84 = 6,489.12/x
  3. Step 3: Cross multiply
    13,062.72x = 19,599.84 × 6,489.12
  4. Step 4: Simplify right side
    13,062.72x = 127,185,713.74
  5. Step 5: Solve for x
    x = 127,185,713.74/13,062.72
  6. Step 6: Final answer
    x = 9,736.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.