Home / 21,960.45-32,941.08-7,921.53

Finding the Fourth Proportional to 21,960.45, 32,941.08 and 7,921.53

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Solution

The fourth proportional to 21,960.45, 32,941.08 and 7,921.53 is: 11,882.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960.45 : 32,941.08 = 7,921.53 : x
  2. Step 2: Convert to fraction form
    21,960.45/32,941.08 = 7,921.53/x
  3. Step 3: Cross multiply
    21,960.45x = 32,941.08 × 7,921.53
  4. Step 4: Simplify right side
    21,960.45x = 260,943,753.45
  5. Step 5: Solve for x
    x = 260,943,753.45/21,960.45
  6. Step 6: Final answer
    x = 11,882.44

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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.