Home / 13,403.86-18,496.88-8,097.74

Finding the Fourth Proportional to 13,403.86, 18,496.88 and 8,097.74

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Solution

The fourth proportional to 13,403.86, 18,496.88 and 8,097.74 is: 11,174.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.86 : 18,496.88 = 8,097.74 : x
  2. Step 2: Convert to fraction form
    13,403.86/18,496.88 = 8,097.74/x
  3. Step 3: Cross multiply
    13,403.86x = 18,496.88 × 8,097.74
  4. Step 4: Simplify right side
    13,403.86x = 149,782,925.05
  5. Step 5: Solve for x
    x = 149,782,925.05/13,403.86
  6. Step 6: Final answer
    x = 11,174.61

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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.