Home / 11,855.13-16,359.44-6,549.61

Finding the Fourth Proportional to 11,855.13, 16,359.44 and 6,549.61

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Solution

The fourth proportional to 11,855.13, 16,359.44 and 6,549.61 is: 9,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.13 : 16,359.44 = 6,549.61 : x
  2. Step 2: Convert to fraction form
    11,855.13/16,359.44 = 6,549.61/x
  3. Step 3: Cross multiply
    11,855.13x = 16,359.44 × 6,549.61
  4. Step 4: Simplify right side
    11,855.13x = 107,147,964.11
  5. Step 5: Solve for x
    x = 107,147,964.11/11,855.13
  6. Step 6: Final answer
    x = 9,038.11

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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.