Home / 21,945.84-32,922.27-7,153.62

Finding the Fourth Proportional to 21,945.84, 32,922.27 and 7,153.62

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Solution

The fourth proportional to 21,945.84, 32,922.27 and 7,153.62 is: 10,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,945.84 : 32,922.27 = 7,153.62 : x
  2. Step 2: Convert to fraction form
    21,945.84/32,922.27 = 7,153.62/x
  3. Step 3: Cross multiply
    21,945.84x = 32,922.27 × 7,153.62
  4. Step 4: Simplify right side
    21,945.84x = 235,513,409.12
  5. Step 5: Solve for x
    x = 235,513,409.12/21,945.84
  6. Step 6: Final answer
    x = 10,731.57

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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.