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Finding the Fourth Proportional to 12,568.32, 18,852.93 and 6,324.93

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Solution

The fourth proportional to 12,568.32, 18,852.93 and 6,324.93 is: 9,487.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.32 : 18,852.93 = 6,324.93 : x
  2. Step 2: Convert to fraction form
    12,568.32/18,852.93 = 6,324.93/x
  3. Step 3: Cross multiply
    12,568.32x = 18,852.93 × 6,324.93
  4. Step 4: Simplify right side
    12,568.32x = 119,243,462.54
  5. Step 5: Solve for x
    x = 119,243,462.54/12,568.32
  6. Step 6: Final answer
    x = 9,487.62

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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.