Home / 13,834.16-19,090.56-8,170.73

Finding the Fourth Proportional to 13,834.16, 19,090.56 and 8,170.73

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Solution

The fourth proportional to 13,834.16, 19,090.56 and 8,170.73 is: 11,275.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.16 : 19,090.56 = 8,170.73 : x
  2. Step 2: Convert to fraction form
    13,834.16/19,090.56 = 8,170.73/x
  3. Step 3: Cross multiply
    13,834.16x = 19,090.56 × 8,170.73
  4. Step 4: Simplify right side
    13,834.16x = 155,983,818.09
  5. Step 5: Solve for x
    x = 155,983,818.09/13,834.16
  6. Step 6: Final answer
    x = 11,275.27

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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.