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Finding the Fourth Proportional to 9,850.27, 13,580.74 and 7,159.27

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Solution

The fourth proportional to 9,850.27, 13,580.74 and 7,159.27 is: 9,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,850.27 : 13,580.74 = 7,159.27 : x
  2. Step 2: Convert to fraction form
    9,850.27/13,580.74 = 7,159.27/x
  3. Step 3: Cross multiply
    9,850.27x = 13,580.74 × 7,159.27
  4. Step 4: Simplify right side
    9,850.27x = 97,228,222.08
  5. Step 5: Solve for x
    x = 97,228,222.08/9,850.27
  6. Step 6: Final answer
    x = 9,870.61

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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.