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Finding the Fourth Proportional to 14,908, 20,567.80 and 8,941.60

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Solution

The fourth proportional to 14,908, 20,567.80 and 8,941.60 is: 12,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,908 : 20,567.80 = 8,941.60 : x
  2. Step 2: Convert to fraction form
    14,908/20,567.80 = 8,941.60/x
  3. Step 3: Cross multiply
    14,908x = 20,567.80 × 8,941.60
  4. Step 4: Simplify right side
    14,908x = 183,909,040.48
  5. Step 5: Solve for x
    x = 183,909,040.48/14,908
  6. Step 6: Final answer
    x = 12,336.27

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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.