Home / 16,765.15-25,147.72-4,285.20

Finding the Fourth Proportional to 16,765.15, 25,147.72 and 4,285.20

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Solution

The fourth proportional to 16,765.15, 25,147.72 and 4,285.20 is: 6,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.15 : 25,147.72 = 4,285.20 : x
  2. Step 2: Convert to fraction form
    16,765.15/25,147.72 = 4,285.20/x
  3. Step 3: Cross multiply
    16,765.15x = 25,147.72 × 4,285.20
  4. Step 4: Simplify right side
    16,765.15x = 107,763,009.74
  5. Step 5: Solve for x
    x = 107,763,009.74/16,765.15
  6. Step 6: Final answer
    x = 6,427.80

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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.