Home / 11,456.13-15,796.01-9,185.70

Finding the Fourth Proportional to 11,456.13, 15,796.01 and 9,185.70

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Solution

The fourth proportional to 11,456.13, 15,796.01 and 9,185.70 is: 12,665.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,456.13 : 15,796.01 = 9,185.70 : x
  2. Step 2: Convert to fraction form
    11,456.13/15,796.01 = 9,185.70/x
  3. Step 3: Cross multiply
    11,456.13x = 15,796.01 × 9,185.70
  4. Step 4: Simplify right side
    11,456.13x = 145,097,491.26
  5. Step 5: Solve for x
    x = 145,097,491.26/11,456.13
  6. Step 6: Final answer
    x = 12,665.49

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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.