Home / 14,161.32-21,337.90-11,750.15

Finding the Fourth Proportional to 14,161.32, 21,337.90 and 11,750.15

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Solution

The fourth proportional to 14,161.32, 21,337.90 and 11,750.15 is: 17,704.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.32 : 21,337.90 = 11,750.15 : x
  2. Step 2: Convert to fraction form
    14,161.32/21,337.90 = 11,750.15/x
  3. Step 3: Cross multiply
    14,161.32x = 21,337.90 × 11,750.15
  4. Step 4: Simplify right side
    14,161.32x = 250,723,525.69
  5. Step 5: Solve for x
    x = 250,723,525.69/14,161.32
  6. Step 6: Final answer
    x = 17,704.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.