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Finding the Fourth Proportional to 12,038.41, 18,054.94 and 8,753.05

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Solution

The fourth proportional to 12,038.41, 18,054.94 and 8,753.05 is: 13,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.41 : 18,054.94 = 8,753.05 : x
  2. Step 2: Convert to fraction form
    12,038.41/18,054.94 = 8,753.05/x
  3. Step 3: Cross multiply
    12,038.41x = 18,054.94 × 8,753.05
  4. Step 4: Simplify right side
    12,038.41x = 158,035,792.57
  5. Step 5: Solve for x
    x = 158,035,792.57/12,038.41
  6. Step 6: Final answer
    x = 13,127.63

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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.