Home / 16,975.30-25,454.60-6,978.22

Finding the Fourth Proportional to 16,975.30, 25,454.60 and 6,978.22

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Solution

The fourth proportional to 16,975.30, 25,454.60 and 6,978.22 is: 10,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,975.30 : 25,454.60 = 6,978.22 : x
  2. Step 2: Convert to fraction form
    16,975.30/25,454.60 = 6,978.22/x
  3. Step 3: Cross multiply
    16,975.30x = 25,454.60 × 6,978.22
  4. Step 4: Simplify right side
    16,975.30x = 177,627,798.81
  5. Step 5: Solve for x
    x = 177,627,798.81/16,975.30
  6. Step 6: Final answer
    x = 10,463.90

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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.