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Finding the Fourth Proportional to 14,308.58, 19,745.82 and 8,719.58

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Solution

The fourth proportional to 14,308.58, 19,745.82 and 8,719.58 is: 12,033.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.58 : 19,745.82 = 8,719.58 : x
  2. Step 2: Convert to fraction form
    14,308.58/19,745.82 = 8,719.58/x
  3. Step 3: Cross multiply
    14,308.58x = 19,745.82 × 8,719.58
  4. Step 4: Simplify right side
    14,308.58x = 172,175,257.16
  5. Step 5: Solve for x
    x = 172,175,257.16/14,308.58
  6. Step 6: Final answer
    x = 12,033.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.