Home / 18,254.83-25,191.69-9,871.33

Finding the Fourth Proportional to 18,254.83, 25,191.69 and 9,871.33

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Solution

The fourth proportional to 18,254.83, 25,191.69 and 9,871.33 is: 13,622.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.83 : 25,191.69 = 9,871.33 : x
  2. Step 2: Convert to fraction form
    18,254.83/25,191.69 = 9,871.33/x
  3. Step 3: Cross multiply
    18,254.83x = 25,191.69 × 9,871.33
  4. Step 4: Simplify right side
    18,254.83x = 248,675,309.93
  5. Step 5: Solve for x
    x = 248,675,309.93/18,254.83
  6. Step 6: Final answer
    x = 13,622.44

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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.