Home / 16,782.48-25,170.12-6,919.20

Finding the Fourth Proportional to 16,782.48, 25,170.12 and 6,919.20

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Solution

The fourth proportional to 16,782.48, 25,170.12 and 6,919.20 is: 10,377.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.48 : 25,170.12 = 6,919.20 : x
  2. Step 2: Convert to fraction form
    16,782.48/25,170.12 = 6,919.20/x
  3. Step 3: Cross multiply
    16,782.48x = 25,170.12 × 6,919.20
  4. Step 4: Simplify right side
    16,782.48x = 174,157,094.30
  5. Step 5: Solve for x
    x = 174,157,094.30/16,782.48
  6. Step 6: Final answer
    x = 10,377.32

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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.