Home / 13,149.26-18,146.66-8,043.18

Finding the Fourth Proportional to 13,149.26, 18,146.66 and 8,043.18

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Solution

The fourth proportional to 13,149.26, 18,146.66 and 8,043.18 is: 11,100.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.26 : 18,146.66 = 8,043.18 : x
  2. Step 2: Convert to fraction form
    13,149.26/18,146.66 = 8,043.18/x
  3. Step 3: Cross multiply
    13,149.26x = 18,146.66 × 8,043.18
  4. Step 4: Simplify right side
    13,149.26x = 145,956,762.05
  5. Step 5: Solve for x
    x = 145,956,762.05/13,149.26
  6. Step 6: Final answer
    x = 11,100.00

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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.