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Finding the Fourth Proportional to 9,860.52, 13,612.22 and 6,325.89

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Solution

The fourth proportional to 9,860.52, 13,612.22 and 6,325.89 is: 8,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.52 : 13,612.22 = 6,325.89 : x
  2. Step 2: Convert to fraction form
    9,860.52/13,612.22 = 6,325.89/x
  3. Step 3: Cross multiply
    9,860.52x = 13,612.22 × 6,325.89
  4. Step 4: Simplify right side
    9,860.52x = 86,109,406.38
  5. Step 5: Solve for x
    x = 86,109,406.38/9,860.52
  6. Step 6: Final answer
    x = 8,732.74

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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.