Home / 11,942.40-16,480.53-6,637.08

Finding the Fourth Proportional to 11,942.40, 16,480.53 and 6,637.08

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Solution

The fourth proportional to 11,942.40, 16,480.53 and 6,637.08 is: 9,159.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.40 : 16,480.53 = 6,637.08 : x
  2. Step 2: Convert to fraction form
    11,942.40/16,480.53 = 6,637.08/x
  3. Step 3: Cross multiply
    11,942.40x = 16,480.53 × 6,637.08
  4. Step 4: Simplify right side
    11,942.40x = 109,382,596.05
  5. Step 5: Solve for x
    x = 109,382,596.05/11,942.40
  6. Step 6: Final answer
    x = 9,159.18

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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.