Home / 14,393.67-19,872.45-11,747.40

Finding the Fourth Proportional to 14,393.67, 19,872.45 and 11,747.40

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Solution

The fourth proportional to 14,393.67, 19,872.45 and 11,747.40 is: 16,218.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,393.67 : 19,872.45 = 11,747.40 : x
  2. Step 2: Convert to fraction form
    14,393.67/19,872.45 = 11,747.40/x
  3. Step 3: Cross multiply
    14,393.67x = 19,872.45 × 11,747.40
  4. Step 4: Simplify right side
    14,393.67x = 233,449,619.13
  5. Step 5: Solve for x
    x = 233,449,619.13/14,393.67
  6. Step 6: Final answer
    x = 16,218.91

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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.