Home / 13,366.86-18,447.99-8,064.66

Finding the Fourth Proportional to 13,366.86, 18,447.99 and 8,064.66

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Solution

The fourth proportional to 13,366.86, 18,447.99 and 8,064.66 is: 11,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.86 : 18,447.99 = 8,064.66 : x
  2. Step 2: Convert to fraction form
    13,366.86/18,447.99 = 8,064.66/x
  3. Step 3: Cross multiply
    13,366.86x = 18,447.99 × 8,064.66
  4. Step 4: Simplify right side
    13,366.86x = 148,776,767.03
  5. Step 5: Solve for x
    x = 148,776,767.03/13,366.86
  6. Step 6: Final answer
    x = 11,130.27

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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.