Home / 15,745.50-21,724.48-10,960.07

Finding the Fourth Proportional to 15,745.50, 21,724.48 and 10,960.07

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Solution

The fourth proportional to 15,745.50, 21,724.48 and 10,960.07 is: 15,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,745.50 : 21,724.48 = 10,960.07 : x
  2. Step 2: Convert to fraction form
    15,745.50/21,724.48 = 10,960.07/x
  3. Step 3: Cross multiply
    15,745.50x = 21,724.48 × 10,960.07
  4. Step 4: Simplify right side
    15,745.50x = 238,101,848.42
  5. Step 5: Solve for x
    x = 238,101,848.42/15,745.50
  6. Step 6: Final answer
    x = 15,121.90

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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.