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Finding the Fourth Proportional to 9,803.79, 13,522.50 and 6,265.35

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Solution

The fourth proportional to 9,803.79, 13,522.50 and 6,265.35 is: 8,641.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,803.79 : 13,522.50 = 6,265.35 : x
  2. Step 2: Convert to fraction form
    9,803.79/13,522.50 = 6,265.35/x
  3. Step 3: Cross multiply
    9,803.79x = 13,522.50 × 6,265.35
  4. Step 4: Simplify right side
    9,803.79x = 84,723,195.38
  5. Step 5: Solve for x
    x = 84,723,195.38/9,803.79
  6. Step 6: Final answer
    x = 8,641.88

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Double scale
Find fourth proportional to 9,804.79, 13,523.88 and 6,266.35
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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.