Home / 11,254.37-15,530.13-6,218.80

Finding the Fourth Proportional to 11,254.37, 15,530.13 and 6,218.80

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Solution

The fourth proportional to 11,254.37, 15,530.13 and 6,218.80 is: 8,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.37 : 15,530.13 = 6,218.80 : x
  2. Step 2: Convert to fraction form
    11,254.37/15,530.13 = 6,218.80/x
  3. Step 3: Cross multiply
    11,254.37x = 15,530.13 × 6,218.80
  4. Step 4: Simplify right side
    11,254.37x = 96,578,733.62
  5. Step 5: Solve for x
    x = 96,578,733.62/11,254.37
  6. Step 6: Final answer
    x = 8,581.45

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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.