Home / 11,184.35-16,768.10-9,642.51

Finding the Fourth Proportional to 11,184.35, 16,768.10 and 9,642.51

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Solution

The fourth proportional to 11,184.35, 16,768.10 and 9,642.51 is: 14,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.35 : 16,768.10 = 9,642.51 : x
  2. Step 2: Convert to fraction form
    11,184.35/16,768.10 = 9,642.51/x
  3. Step 3: Cross multiply
    11,184.35x = 16,768.10 × 9,642.51
  4. Step 4: Simplify right side
    11,184.35x = 161,686,596.04
  5. Step 5: Solve for x
    x = 161,686,596.04/11,184.35
  6. Step 6: Final answer
    x = 14,456.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.