Home / 10,686.90-16,025.48-4,443.19

Finding the Fourth Proportional to 10,686.90, 16,025.48 and 4,443.19

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Solution

The fourth proportional to 10,686.90, 16,025.48 and 4,443.19 is: 6,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.90 : 16,025.48 = 4,443.19 : x
  2. Step 2: Convert to fraction form
    10,686.90/16,025.48 = 4,443.19/x
  3. Step 3: Cross multiply
    10,686.90x = 16,025.48 × 4,443.19
  4. Step 4: Simplify right side
    10,686.90x = 71,204,206.86
  5. Step 5: Solve for x
    x = 71,204,206.86/10,686.90
  6. Step 6: Final answer
    x = 6,662.75

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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.