Home / 16,720.48-25,080.77-4,240.51

Finding the Fourth Proportional to 16,720.48, 25,080.77 and 4,240.51

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Solution

The fourth proportional to 16,720.48, 25,080.77 and 4,240.51 is: 6,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.48 : 25,080.77 = 4,240.51 : x
  2. Step 2: Convert to fraction form
    16,720.48/25,080.77 = 4,240.51/x
  3. Step 3: Cross multiply
    16,720.48x = 25,080.77 × 4,240.51
  4. Step 4: Simplify right side
    16,720.48x = 106,355,321.12
  5. Step 5: Solve for x
    x = 106,355,321.12/16,720.48
  6. Step 6: Final answer
    x = 6,360.78

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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.