Home / 18,856.26-26,012.43-13,188.96

Finding the Fourth Proportional to 18,856.26, 26,012.43 and 13,188.96

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Solution

The fourth proportional to 18,856.26, 26,012.43 and 13,188.96 is: 18,194.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.26 : 26,012.43 = 13,188.96 : x
  2. Step 2: Convert to fraction form
    18,856.26/26,012.43 = 13,188.96/x
  3. Step 3: Cross multiply
    18,856.26x = 26,012.43 × 13,188.96
  4. Step 4: Simplify right side
    18,856.26x = 343,076,898.77
  5. Step 5: Solve for x
    x = 343,076,898.77/18,856.26
  6. Step 6: Final answer
    x = 18,194.32

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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.