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Finding the Fourth Proportional to 14,559.81, 20,092.46 and 8,893.77

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Solution

The fourth proportional to 14,559.81, 20,092.46 and 8,893.77 is: 12,273.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,559.81 : 20,092.46 = 8,893.77 : x
  2. Step 2: Convert to fraction form
    14,559.81/20,092.46 = 8,893.77/x
  3. Step 3: Cross multiply
    14,559.81x = 20,092.46 × 8,893.77
  4. Step 4: Simplify right side
    14,559.81x = 178,697,673.51
  5. Step 5: Solve for x
    x = 178,697,673.51/14,559.81
  6. Step 6: Final answer
    x = 12,273.35

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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.