Home / 10,119.22-13,966.31-7,725.27

Finding the Fourth Proportional to 10,119.22, 13,966.31 and 7,725.27

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Solution

The fourth proportional to 10,119.22, 13,966.31 and 7,725.27 is: 10,662.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.22 : 13,966.31 = 7,725.27 : x
  2. Step 2: Convert to fraction form
    10,119.22/13,966.31 = 7,725.27/x
  3. Step 3: Cross multiply
    10,119.22x = 13,966.31 × 7,725.27
  4. Step 4: Simplify right side
    10,119.22x = 107,893,515.65
  5. Step 5: Solve for x
    x = 107,893,515.65/10,119.22
  6. Step 6: Final answer
    x = 10,662.24

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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.