Home / 15,911.07-23,877.27-7,146.60

Finding the Fourth Proportional to 15,911.07, 23,877.27 and 7,146.60

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Solution

The fourth proportional to 15,911.07, 23,877.27 and 7,146.60 is: 10,724.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,911.07 : 23,877.27 = 7,146.60 : x
  2. Step 2: Convert to fraction form
    15,911.07/23,877.27 = 7,146.60/x
  3. Step 3: Cross multiply
    15,911.07x = 23,877.27 × 7,146.60
  4. Step 4: Simplify right side
    15,911.07x = 170,641,297.78
  5. Step 5: Solve for x
    x = 170,641,297.78/15,911.07
  6. Step 6: Final answer
    x = 10,724.69

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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.