Home / 16,120.30-24,172.08-6,757.78

Finding the Fourth Proportional to 16,120.30, 24,172.08 and 6,757.78

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Solution

The fourth proportional to 16,120.30, 24,172.08 and 6,757.78 is: 10,133.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120.30 : 24,172.08 = 6,757.78 : x
  2. Step 2: Convert to fraction form
    16,120.30/24,172.08 = 6,757.78/x
  3. Step 3: Cross multiply
    16,120.30x = 24,172.08 × 6,757.78
  4. Step 4: Simplify right side
    16,120.30x = 163,349,598.78
  5. Step 5: Solve for x
    x = 163,349,598.78/16,120.30
  6. Step 6: Final answer
    x = 10,133.16

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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.