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Finding the Fourth Proportional to 12,737.51, 19,081.44 and 8,341.64

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Solution

The fourth proportional to 12,737.51, 19,081.44 and 8,341.64 is: 12,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737.51 : 19,081.44 = 8,341.64 : x
  2. Step 2: Convert to fraction form
    12,737.51/19,081.44 = 8,341.64/x
  3. Step 3: Cross multiply
    12,737.51x = 19,081.44 × 8,341.64
  4. Step 4: Simplify right side
    12,737.51x = 159,170,407.75
  5. Step 5: Solve for x
    x = 159,170,407.75/12,737.51
  6. Step 6: Final answer
    x = 12,496.20

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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.