Home / 13,322.49-19,983.73-6,750.55

Finding the Fourth Proportional to 13,322.49, 19,983.73 and 6,750.55

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Solution

The fourth proportional to 13,322.49, 19,983.73 and 6,750.55 is: 10,125.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.49 : 19,983.73 = 6,750.55 : x
  2. Step 2: Convert to fraction form
    13,322.49/19,983.73 = 6,750.55/x
  3. Step 3: Cross multiply
    13,322.49x = 19,983.73 × 6,750.55
  4. Step 4: Simplify right side
    13,322.49x = 134,901,168.55
  5. Step 5: Solve for x
    x = 134,901,168.55/13,322.49
  6. Step 6: Final answer
    x = 10,125.83

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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.