Home / 19,587.16-29,373.09-7,103.44

Finding the Fourth Proportional to 19,587.16, 29,373.09 and 7,103.44

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Solution

The fourth proportional to 19,587.16, 29,373.09 and 7,103.44 is: 10,652.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.16 : 29,373.09 = 7,103.44 : x
  2. Step 2: Convert to fraction form
    19,587.16/29,373.09 = 7,103.44/x
  3. Step 3: Cross multiply
    19,587.16x = 29,373.09 × 7,103.44
  4. Step 4: Simplify right side
    19,587.16x = 208,649,982.43
  5. Step 5: Solve for x
    x = 208,649,982.43/19,587.16
  6. Step 6: Final answer
    x = 10,652.39

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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.