Home / 11,729.02-16,186.08-6,351.51

Finding the Fourth Proportional to 11,729.02, 16,186.08 and 6,351.51

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Solution

The fourth proportional to 11,729.02, 16,186.08 and 6,351.51 is: 8,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.02 : 16,186.08 = 6,351.51 : x
  2. Step 2: Convert to fraction form
    11,729.02/16,186.08 = 6,351.51/x
  3. Step 3: Cross multiply
    11,729.02x = 16,186.08 × 6,351.51
  4. Step 4: Simplify right side
    11,729.02x = 102,806,048.98
  5. Step 5: Solve for x
    x = 102,806,048.98/11,729.02
  6. Step 6: Final answer
    x = 8,765.10

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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.