Home / 11,688.96-16,130.14-6,382.74

Finding the Fourth Proportional to 11,688.96, 16,130.14 and 6,382.74

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Solution

The fourth proportional to 11,688.96, 16,130.14 and 6,382.74 is: 8,807.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.96 : 16,130.14 = 6,382.74 : x
  2. Step 2: Convert to fraction form
    11,688.96/16,130.14 = 6,382.74/x
  3. Step 3: Cross multiply
    11,688.96x = 16,130.14 × 6,382.74
  4. Step 4: Simplify right side
    11,688.96x = 102,954,489.78
  5. Step 5: Solve for x
    x = 102,954,489.78/11,688.96
  6. Step 6: Final answer
    x = 8,807.84

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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.