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Finding the Fourth Proportional to 12,590.08, 18,888 and 6,017.92

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Solution

The fourth proportional to 12,590.08, 18,888 and 6,017.92 is: 9,028.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590.08 : 18,888 = 6,017.92 : x
  2. Step 2: Convert to fraction form
    12,590.08/18,888 = 6,017.92/x
  3. Step 3: Cross multiply
    12,590.08x = 18,888 × 6,017.92
  4. Step 4: Simplify right side
    12,590.08x = 113,666,472.96
  5. Step 5: Solve for x
    x = 113,666,472.96/12,590.08
  6. Step 6: Final answer
    x = 9,028.26

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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.