Home / 11,254.11-15,530.70-6,218.47

Finding the Fourth Proportional to 11,254.11, 15,530.70 and 6,218.47

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Solution

The fourth proportional to 11,254.11, 15,530.70 and 6,218.47 is: 8,581.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.11 : 15,530.70 = 6,218.47 : x
  2. Step 2: Convert to fraction form
    11,254.11/15,530.70 = 6,218.47/x
  3. Step 3: Cross multiply
    11,254.11x = 15,530.70 × 6,218.47
  4. Step 4: Simplify right side
    11,254.11x = 96,577,192.03
  5. Step 5: Solve for x
    x = 96,577,192.03/11,254.11
  6. Step 6: Final answer
    x = 8,581.50

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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.