Home / 18,005.36-24,859.32-11,728.40

Finding the Fourth Proportional to 18,005.36, 24,859.32 and 11,728.40

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Solution

The fourth proportional to 18,005.36, 24,859.32 and 11,728.40 is: 16,192.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005.36 : 24,859.32 = 11,728.40 : x
  2. Step 2: Convert to fraction form
    18,005.36/24,859.32 = 11,728.40/x
  3. Step 3: Cross multiply
    18,005.36x = 24,859.32 × 11,728.40
  4. Step 4: Simplify right side
    18,005.36x = 291,560,048.69
  5. Step 5: Solve for x
    x = 291,560,048.69/18,005.36
  6. Step 6: Final answer
    x = 16,192.96

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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.