Home / 13,092.08-18,057.86-8,614.40

Finding the Fourth Proportional to 13,092.08, 18,057.86 and 8,614.40

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Solution

The fourth proportional to 13,092.08, 18,057.86 and 8,614.40 is: 11,881.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.08 : 18,057.86 = 8,614.40 : x
  2. Step 2: Convert to fraction form
    13,092.08/18,057.86 = 8,614.40/x
  3. Step 3: Cross multiply
    13,092.08x = 18,057.86 × 8,614.40
  4. Step 4: Simplify right side
    13,092.08x = 155,557,629.18
  5. Step 5: Solve for x
    x = 155,557,629.18/13,092.08
  6. Step 6: Final answer
    x = 11,881.81

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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.