Home / 12,543.06-18,816.41-6,696.48

Finding the Fourth Proportional to 12,543.06, 18,816.41 and 6,696.48

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Solution

The fourth proportional to 12,543.06, 18,816.41 and 6,696.48 is: 10,045.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543.06 : 18,816.41 = 6,696.48 : x
  2. Step 2: Convert to fraction form
    12,543.06/18,816.41 = 6,696.48/x
  3. Step 3: Cross multiply
    12,543.06x = 18,816.41 × 6,696.48
  4. Step 4: Simplify right side
    12,543.06x = 126,003,713.24
  5. Step 5: Solve for x
    x = 126,003,713.24/12,543.06
  6. Step 6: Final answer
    x = 10,045.69

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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.