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Finding the Fourth Proportional to 8,019.30, 12,083.71 and 6,590.46

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Solution

The fourth proportional to 8,019.30, 12,083.71 and 6,590.46 is: 9,930.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.30 : 12,083.71 = 6,590.46 : x
  2. Step 2: Convert to fraction form
    8,019.30/12,083.71 = 6,590.46/x
  3. Step 3: Cross multiply
    8,019.30x = 12,083.71 × 6,590.46
  4. Step 4: Simplify right side
    8,019.30x = 79,637,230.07
  5. Step 5: Solve for x
    x = 79,637,230.07/8,019.30
  6. Step 6: Final answer
    x = 9,930.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.