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Finding the Fourth Proportional to 12,566.35, 18,852.63 and 8,875.81

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Solution

The fourth proportional to 12,566.35, 18,852.63 and 8,875.81 is: 13,315.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566.35 : 18,852.63 = 8,875.81 : x
  2. Step 2: Convert to fraction form
    12,566.35/18,852.63 = 8,875.81/x
  3. Step 3: Cross multiply
    12,566.35x = 18,852.63 × 8,875.81
  4. Step 4: Simplify right side
    12,566.35x = 167,332,361.88
  5. Step 5: Solve for x
    x = 167,332,361.88/12,566.35
  6. Step 6: Final answer
    x = 13,315.91

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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.