Home / 10,653.36-15,980.09-3,257.79

Finding the Fourth Proportional to 10,653.36, 15,980.09 and 3,257.79

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Solution

The fourth proportional to 10,653.36, 15,980.09 and 3,257.79 is: 4,886.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,653.36 : 15,980.09 = 3,257.79 : x
  2. Step 2: Convert to fraction form
    10,653.36/15,980.09 = 3,257.79/x
  3. Step 3: Cross multiply
    10,653.36x = 15,980.09 × 3,257.79
  4. Step 4: Simplify right side
    10,653.36x = 52,059,777.40
  5. Step 5: Solve for x
    x = 52,059,777.40/10,653.36
  6. Step 6: Final answer
    x = 4,886.70

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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.