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Finding the Fourth Proportional to 9,854.60, 14,772.30 and 8,817.80

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Solution

The fourth proportional to 9,854.60, 14,772.30 and 8,817.80 is: 13,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,854.60 : 14,772.30 = 8,817.80 : x
  2. Step 2: Convert to fraction form
    9,854.60/14,772.30 = 8,817.80/x
  3. Step 3: Cross multiply
    9,854.60x = 14,772.30 × 8,817.80
  4. Step 4: Simplify right side
    9,854.60x = 130,259,186.94
  5. Step 5: Solve for x
    x = 130,259,186.94/9,854.60
  6. Step 6: Final answer
    x = 13,218.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.