Home / 16,120.72-24,178.08-6,758.20

Finding the Fourth Proportional to 16,120.72, 24,178.08 and 6,758.20

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Solution

The fourth proportional to 16,120.72, 24,178.08 and 6,758.20 is: 10,136.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120.72 : 24,178.08 = 6,758.20 : x
  2. Step 2: Convert to fraction form
    16,120.72/24,178.08 = 6,758.20/x
  3. Step 3: Cross multiply
    16,120.72x = 24,178.08 × 6,758.20
  4. Step 4: Simplify right side
    16,120.72x = 163,400,300.26
  5. Step 5: Solve for x
    x = 163,400,300.26/16,120.72
  6. Step 6: Final answer
    x = 10,136.04

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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.