Home / 14,479.51-21,694.45-7,910.29

Finding the Fourth Proportional to 14,479.51, 21,694.45 and 7,910.29

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Solution

The fourth proportional to 14,479.51, 21,694.45 and 7,910.29 is: 11,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.51 : 21,694.45 = 7,910.29 : x
  2. Step 2: Convert to fraction form
    14,479.51/21,694.45 = 7,910.29/x
  3. Step 3: Cross multiply
    14,479.51x = 21,694.45 × 7,910.29
  4. Step 4: Simplify right side
    14,479.51x = 171,609,390.89
  5. Step 5: Solve for x
    x = 171,609,390.89/14,479.51
  6. Step 6: Final answer
    x = 11,851.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.