Home / 13,322.29-19,983.75-6,305.57

Finding the Fourth Proportional to 13,322.29, 19,983.75 and 6,305.57

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Solution

The fourth proportional to 13,322.29, 19,983.75 and 6,305.57 is: 9,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.29 : 19,983.75 = 6,305.57 : x
  2. Step 2: Convert to fraction form
    13,322.29/19,983.75 = 6,305.57/x
  3. Step 3: Cross multiply
    13,322.29x = 19,983.75 × 6,305.57
  4. Step 4: Simplify right side
    13,322.29x = 126,008,984.45
  5. Step 5: Solve for x
    x = 126,008,984.45/13,322.29
  6. Step 6: Final answer
    x = 9,458.51

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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.