Home / 19,508.75-29,263.58-8,987.58

Finding the Fourth Proportional to 19,508.75, 29,263.58 and 8,987.58

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Solution

The fourth proportional to 19,508.75, 29,263.58 and 8,987.58 is: 13,481.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508.75 : 29,263.58 = 8,987.58 : x
  2. Step 2: Convert to fraction form
    19,508.75/29,263.58 = 8,987.58/x
  3. Step 3: Cross multiply
    19,508.75x = 29,263.58 × 8,987.58
  4. Step 4: Simplify right side
    19,508.75x = 263,008,837.41
  5. Step 5: Solve for x
    x = 263,008,837.41/19,508.75
  6. Step 6: Final answer
    x = 13,481.58

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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.