Home / 16,858.85-25,288.29-5,765.63

Finding the Fourth Proportional to 16,858.85, 25,288.29 and 5,765.63

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Solution

The fourth proportional to 16,858.85, 25,288.29 and 5,765.63 is: 8,648.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.85 : 25,288.29 = 5,765.63 : x
  2. Step 2: Convert to fraction form
    16,858.85/25,288.29 = 5,765.63/x
  3. Step 3: Cross multiply
    16,858.85x = 25,288.29 × 5,765.63
  4. Step 4: Simplify right side
    16,858.85x = 145,802,797.03
  5. Step 5: Solve for x
    x = 145,802,797.03/16,858.85
  6. Step 6: Final answer
    x = 8,648.45

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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.