Home / 14,100.08-19,457.42-8,131.86

Finding the Fourth Proportional to 14,100.08, 19,457.42 and 8,131.86

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Solution

The fourth proportional to 14,100.08, 19,457.42 and 8,131.86 is: 11,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.08 : 19,457.42 = 8,131.86 : x
  2. Step 2: Convert to fraction form
    14,100.08/19,457.42 = 8,131.86/x
  3. Step 3: Cross multiply
    14,100.08x = 19,457.42 × 8,131.86
  4. Step 4: Simplify right side
    14,100.08x = 158,224,974.74
  5. Step 5: Solve for x
    x = 158,224,974.74/14,100.08
  6. Step 6: Final answer
    x = 11,221.57

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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.