Home / 21,749.80-32,623.06-6,960.28

Finding the Fourth Proportional to 21,749.80, 32,623.06 and 6,960.28

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Solution

The fourth proportional to 21,749.80, 32,623.06 and 6,960.28 is: 10,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,749.80 : 32,623.06 = 6,960.28 : x
  2. Step 2: Convert to fraction form
    21,749.80/32,623.06 = 6,960.28/x
  3. Step 3: Cross multiply
    21,749.80x = 32,623.06 × 6,960.28
  4. Step 4: Simplify right side
    21,749.80x = 227,065,632.06
  5. Step 5: Solve for x
    x = 227,065,632.06/21,749.80
  6. Step 6: Final answer
    x = 10,439.90

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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.