Home / 13,200.57-18,217.17-7,232.63

Finding the Fourth Proportional to 13,200.57, 18,217.17 and 7,232.63

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Solution

The fourth proportional to 13,200.57, 18,217.17 and 7,232.63 is: 9,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.57 : 18,217.17 = 7,232.63 : x
  2. Step 2: Convert to fraction form
    13,200.57/18,217.17 = 7,232.63/x
  3. Step 3: Cross multiply
    13,200.57x = 18,217.17 × 7,232.63
  4. Step 4: Simplify right side
    13,200.57x = 131,757,959.17
  5. Step 5: Solve for x
    x = 131,757,959.17/13,200.57
  6. Step 6: Final answer
    x = 9,981.23

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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.