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Finding the Fourth Proportional to 14,951.60, 22,403.10 and 12,861.80

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Solution

The fourth proportional to 14,951.60, 22,403.10 and 12,861.80 is: 19,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.60 : 22,403.10 = 12,861.80 : x
  2. Step 2: Convert to fraction form
    14,951.60/22,403.10 = 12,861.80/x
  3. Step 3: Cross multiply
    14,951.60x = 22,403.10 × 12,861.80
  4. Step 4: Simplify right side
    14,951.60x = 288,144,191.58
  5. Step 5: Solve for x
    x = 288,144,191.58/14,951.60
  6. Step 6: Final answer
    x = 19,271.80

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