Home / 13,224.06-18,250.64-8,448.36

Finding the Fourth Proportional to 13,224.06, 18,250.64 and 8,448.36

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Solution

The fourth proportional to 13,224.06, 18,250.64 and 8,448.36 is: 11,659.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.06 : 18,250.64 = 8,448.36 : x
  2. Step 2: Convert to fraction form
    13,224.06/18,250.64 = 8,448.36/x
  3. Step 3: Cross multiply
    13,224.06x = 18,250.64 × 8,448.36
  4. Step 4: Simplify right side
    13,224.06x = 154,187,934.71
  5. Step 5: Solve for x
    x = 154,187,934.71/13,224.06
  6. Step 6: Final answer
    x = 11,659.65

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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.