Home / 13,110.50-18,093.48-8,073.47

Finding the Fourth Proportional to 13,110.50, 18,093.48 and 8,073.47

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Solution

The fourth proportional to 13,110.50, 18,093.48 and 8,073.47 is: 11,142.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.50 : 18,093.48 = 8,073.47 : x
  2. Step 2: Convert to fraction form
    13,110.50/18,093.48 = 8,073.47/x
  3. Step 3: Cross multiply
    13,110.50x = 18,093.48 × 8,073.47
  4. Step 4: Simplify right side
    13,110.50x = 146,077,167.98
  5. Step 5: Solve for x
    x = 146,077,167.98/13,110.50
  6. Step 6: Final answer
    x = 11,142.00

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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.