Home / 9,165.08-12,649.16-5,808.21

Finding the Fourth Proportional to 9,165.08, 12,649.16 and 5,808.21

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Solution

The fourth proportional to 9,165.08, 12,649.16 and 5,808.21 is: 8,016.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.08 : 12,649.16 = 5,808.21 : x
  2. Step 2: Convert to fraction form
    9,165.08/12,649.16 = 5,808.21/x
  3. Step 3: Cross multiply
    9,165.08x = 12,649.16 × 5,808.21
  4. Step 4: Simplify right side
    9,165.08x = 73,469,051.42
  5. Step 5: Solve for x
    x = 73,469,051.42/9,165.08
  6. Step 6: Final answer
    x = 8,016.19

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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.