Home / 11,728.32-16,192.08-10,416.12

Finding the Fourth Proportional to 11,728.32, 16,192.08 and 10,416.12

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Solution

The fourth proportional to 11,728.32, 16,192.08 and 10,416.12 is: 14,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.32 : 16,192.08 = 10,416.12 : x
  2. Step 2: Convert to fraction form
    11,728.32/16,192.08 = 10,416.12/x
  3. Step 3: Cross multiply
    11,728.32x = 16,192.08 × 10,416.12
  4. Step 4: Simplify right side
    11,728.32x = 168,658,648.33
  5. Step 5: Solve for x
    x = 168,658,648.33/11,728.32
  6. Step 6: Final answer
    x = 14,380.46

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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.