Home / 19,814.22-29,725.92-5,774.58

Finding the Fourth Proportional to 19,814.22, 29,725.92 and 5,774.58

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Solution

The fourth proportional to 19,814.22, 29,725.92 and 5,774.58 is: 8,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.22 : 29,725.92 = 5,774.58 : x
  2. Step 2: Convert to fraction form
    19,814.22/29,725.92 = 5,774.58/x
  3. Step 3: Cross multiply
    19,814.22x = 29,725.92 × 5,774.58
  4. Step 4: Simplify right side
    19,814.22x = 171,654,703.11
  5. Step 5: Solve for x
    x = 171,654,703.11/19,814.22
  6. Step 6: Final answer
    x = 8,663.21

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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.