Home / 12,088.49-16,683.32-8,117.87

Finding the Fourth Proportional to 12,088.49, 16,683.32 and 8,117.87

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Solution

The fourth proportional to 12,088.49, 16,683.32 and 8,117.87 is: 11,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.49 : 16,683.32 = 8,117.87 : x
  2. Step 2: Convert to fraction form
    12,088.49/16,683.32 = 8,117.87/x
  3. Step 3: Cross multiply
    12,088.49x = 16,683.32 × 8,117.87
  4. Step 4: Simplify right side
    12,088.49x = 135,433,022.93
  5. Step 5: Solve for x
    x = 135,433,022.93/12,088.49
  6. Step 6: Final answer
    x = 11,203.47

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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.