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Finding the Fourth Proportional to 10,295.55, 14,197.25 and 8,808.39

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Solution

The fourth proportional to 10,295.55, 14,197.25 and 8,808.39 is: 12,146.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,295.55 : 14,197.25 = 8,808.39 : x
  2. Step 2: Convert to fraction form
    10,295.55/14,197.25 = 8,808.39/x
  3. Step 3: Cross multiply
    10,295.55x = 14,197.25 × 8,808.39
  4. Step 4: Simplify right side
    10,295.55x = 125,054,870.89
  5. Step 5: Solve for x
    x = 125,054,870.89/10,295.55
  6. Step 6: Final answer
    x = 12,146.50

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Double scale
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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.