Home / 14,149.35-19,506.59-11,287.79

Finding the Fourth Proportional to 14,149.35, 19,506.59 and 11,287.79

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Solution

The fourth proportional to 14,149.35, 19,506.59 and 11,287.79 is: 15,561.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.35 : 19,506.59 = 11,287.79 : x
  2. Step 2: Convert to fraction form
    14,149.35/19,506.59 = 11,287.79/x
  3. Step 3: Cross multiply
    14,149.35x = 19,506.59 × 11,287.79
  4. Step 4: Simplify right side
    14,149.35x = 220,186,137.56
  5. Step 5: Solve for x
    x = 220,186,137.56/14,149.35
  6. Step 6: Final answer
    x = 15,561.58

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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.