Home / 20,960.24-31,444.23-6,921.24

Finding the Fourth Proportional to 20,960.24, 31,444.23 and 6,921.24

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Solution

The fourth proportional to 20,960.24, 31,444.23 and 6,921.24 is: 10,383.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,960.24 : 31,444.23 = 6,921.24 : x
  2. Step 2: Convert to fraction form
    20,960.24/31,444.23 = 6,921.24/x
  3. Step 3: Cross multiply
    20,960.24x = 31,444.23 × 6,921.24
  4. Step 4: Simplify right side
    20,960.24x = 217,632,970.48
  5. Step 5: Solve for x
    x = 217,632,970.48/20,960.24
  6. Step 6: Final answer
    x = 10,383.14

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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.