Home / 23,005.51-34,446.75-13,131.20

Finding the Fourth Proportional to 23,005.51, 34,446.75 and 13,131.20

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Solution

The fourth proportional to 23,005.51, 34,446.75 and 13,131.20 is: 19,661.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,005.51 : 34,446.75 = 13,131.20 : x
  2. Step 2: Convert to fraction form
    23,005.51/34,446.75 = 13,131.20/x
  3. Step 3: Cross multiply
    23,005.51x = 34,446.75 × 13,131.20
  4. Step 4: Simplify right side
    23,005.51x = 452,327,163.60
  5. Step 5: Solve for x
    x = 452,327,163.60/23,005.51
  6. Step 6: Final answer
    x = 19,661.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.