Home / 11,456.14-15,771.41-10,275.16

Finding the Fourth Proportional to 11,456.14, 15,771.41 and 10,275.16

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Solution

The fourth proportional to 11,456.14, 15,771.41 and 10,275.16 is: 14,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,456.14 : 15,771.41 = 10,275.16 : x
  2. Step 2: Convert to fraction form
    11,456.14/15,771.41 = 10,275.16/x
  3. Step 3: Cross multiply
    11,456.14x = 15,771.41 × 10,275.16
  4. Step 4: Simplify right side
    11,456.14x = 162,053,761.18
  5. Step 5: Solve for x
    x = 162,053,761.18/11,456.14
  6. Step 6: Final answer
    x = 14,145.58

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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.