Home / 19,721.58-29,575.06-5,676.86

Finding the Fourth Proportional to 19,721.58, 29,575.06 and 5,676.86

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Solution

The fourth proportional to 19,721.58, 29,575.06 and 5,676.86 is: 8,513.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721.58 : 29,575.06 = 5,676.86 : x
  2. Step 2: Convert to fraction form
    19,721.58/29,575.06 = 5,676.86/x
  3. Step 3: Cross multiply
    19,721.58x = 29,575.06 × 5,676.86
  4. Step 4: Simplify right side
    19,721.58x = 167,893,475.11
  5. Step 5: Solve for x
    x = 167,893,475.11/19,721.58
  6. Step 6: Final answer
    x = 8,513.19

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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.