Home / 16,145.36-24,210.24-6,782.72

Finding the Fourth Proportional to 16,145.36, 24,210.24 and 6,782.72

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Solution

The fourth proportional to 16,145.36, 24,210.24 and 6,782.72 is: 10,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,145.36 : 24,210.24 = 6,782.72 : x
  2. Step 2: Convert to fraction form
    16,145.36/24,210.24 = 6,782.72/x
  3. Step 3: Cross multiply
    16,145.36x = 24,210.24 × 6,782.72
  4. Step 4: Simplify right side
    16,145.36x = 164,211,279.05
  5. Step 5: Solve for x
    x = 164,211,279.05/16,145.36
  6. Step 6: Final answer
    x = 10,170.80

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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.