Home / 19,217.39-28,815.62-8,675.06

Finding the Fourth Proportional to 19,217.39, 28,815.62 and 8,675.06

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Solution

The fourth proportional to 19,217.39, 28,815.62 and 8,675.06 is: 13,007.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.39 : 28,815.62 = 8,675.06 : x
  2. Step 2: Convert to fraction form
    19,217.39/28,815.62 = 8,675.06/x
  3. Step 3: Cross multiply
    19,217.39x = 28,815.62 × 8,675.06
  4. Step 4: Simplify right side
    19,217.39x = 249,977,044.98
  5. Step 5: Solve for x
    x = 249,977,044.98/19,217.39
  6. Step 6: Final answer
    x = 13,007.86

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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.