Home / 11,369.96-15,690.57-6,590.82

Finding the Fourth Proportional to 11,369.96, 15,690.57 and 6,590.82

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Solution

The fourth proportional to 11,369.96, 15,690.57 and 6,590.82 is: 9,095.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.96 : 15,690.57 = 6,590.82 : x
  2. Step 2: Convert to fraction form
    11,369.96/15,690.57 = 6,590.82/x
  3. Step 3: Cross multiply
    11,369.96x = 15,690.57 × 6,590.82
  4. Step 4: Simplify right side
    11,369.96x = 103,413,722.57
  5. Step 5: Solve for x
    x = 103,413,722.57/11,369.96
  6. Step 6: Final answer
    x = 9,095.35

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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.