Home / 19,397.58-29,110.86-7,553.22

Finding the Fourth Proportional to 19,397.58, 29,110.86 and 7,553.22

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Solution

The fourth proportional to 19,397.58, 29,110.86 and 7,553.22 is: 11,335.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.58 : 29,110.86 = 7,553.22 : x
  2. Step 2: Convert to fraction form
    19,397.58/29,110.86 = 7,553.22/x
  3. Step 3: Cross multiply
    19,397.58x = 29,110.86 × 7,553.22
  4. Step 4: Simplify right side
    19,397.58x = 219,880,729.97
  5. Step 5: Solve for x
    x = 219,880,729.97/19,397.58
  6. Step 6: Final answer
    x = 11,335.47

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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.