Home / 18,679.04-25,777.08-10,295.54

Finding the Fourth Proportional to 18,679.04, 25,777.08 and 10,295.54

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Solution

The fourth proportional to 18,679.04, 25,777.08 and 10,295.54 is: 14,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679.04 : 25,777.08 = 10,295.54 : x
  2. Step 2: Convert to fraction form
    18,679.04/25,777.08 = 10,295.54/x
  3. Step 3: Cross multiply
    18,679.04x = 25,777.08 × 10,295.54
  4. Step 4: Simplify right side
    18,679.04x = 265,388,958.22
  5. Step 5: Solve for x
    x = 265,388,958.22/18,679.04
  6. Step 6: Final answer
    x = 14,207.85

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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.