Home / 11,804.20-16,290.06-6,499.12

Finding the Fourth Proportional to 11,804.20, 16,290.06 and 6,499.12

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Solution

The fourth proportional to 11,804.20, 16,290.06 and 6,499.12 is: 8,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,804.20 : 16,290.06 = 6,499.12 : x
  2. Step 2: Convert to fraction form
    11,804.20/16,290.06 = 6,499.12/x
  3. Step 3: Cross multiply
    11,804.20x = 16,290.06 × 6,499.12
  4. Step 4: Simplify right side
    11,804.20x = 105,871,054.75
  5. Step 5: Solve for x
    x = 105,871,054.75/11,804.20
  6. Step 6: Final answer
    x = 8,968.93

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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.