Home / 15,905.27-23,854.26-7,142.69

Finding the Fourth Proportional to 15,905.27, 23,854.26 and 7,142.69

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Solution

The fourth proportional to 15,905.27, 23,854.26 and 7,142.69 is: 10,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905.27 : 23,854.26 = 7,142.69 : x
  2. Step 2: Convert to fraction form
    15,905.27/23,854.26 = 7,142.69/x
  3. Step 3: Cross multiply
    15,905.27x = 23,854.26 × 7,142.69
  4. Step 4: Simplify right side
    15,905.27x = 170,383,584.36
  5. Step 5: Solve for x
    x = 170,383,584.36/15,905.27
  6. Step 6: Final answer
    x = 10,712.40

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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.