Home / 13,370.86-18,445.99-8,062.73

Finding the Fourth Proportional to 13,370.86, 18,445.99 and 8,062.73

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Solution

The fourth proportional to 13,370.86, 18,445.99 and 8,062.73 is: 11,123.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.86 : 18,445.99 = 8,062.73 : x
  2. Step 2: Convert to fraction form
    13,370.86/18,445.99 = 8,062.73/x
  3. Step 3: Cross multiply
    13,370.86x = 18,445.99 × 8,062.73
  4. Step 4: Simplify right side
    13,370.86x = 148,724,944.72
  5. Step 5: Solve for x
    x = 148,724,944.72/13,370.86
  6. Step 6: Final answer
    x = 11,123.06

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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.