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Finding the Fourth Proportional to 9,454.60, 14,111.78 and 8,347.60

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Solution

The fourth proportional to 9,454.60, 14,111.78 and 8,347.60 is: 12,459.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,454.60 : 14,111.78 = 8,347.60 : x
  2. Step 2: Convert to fraction form
    9,454.60/14,111.78 = 8,347.60/x
  3. Step 3: Cross multiply
    9,454.60x = 14,111.78 × 8,347.60
  4. Step 4: Simplify right side
    9,454.60x = 117,799,494.73
  5. Step 5: Solve for x
    x = 117,799,494.73/9,454.60
  6. Step 6: Final answer
    x = 12,459.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.