Home / 16,775.80-25,163.70-6,386.20

Finding the Fourth Proportional to 16,775.80, 25,163.70 and 6,386.20

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Solution

The fourth proportional to 16,775.80, 25,163.70 and 6,386.20 is: 9,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,775.80 : 25,163.70 = 6,386.20 : x
  2. Step 2: Convert to fraction form
    16,775.80/25,163.70 = 6,386.20/x
  3. Step 3: Cross multiply
    16,775.80x = 25,163.70 × 6,386.20
  4. Step 4: Simplify right side
    16,775.80x = 160,700,420.94
  5. Step 5: Solve for x
    x = 160,700,420.94/16,775.80
  6. Step 6: Final answer
    x = 9,579.30

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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.