Home / 11,784.15-17,674.20-4,384.80

Finding the Fourth Proportional to 11,784.15, 17,674.20 and 4,384.80

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Solution

The fourth proportional to 11,784.15, 17,674.20 and 4,384.80 is: 6,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.15 : 17,674.20 = 4,384.80 : x
  2. Step 2: Convert to fraction form
    11,784.15/17,674.20 = 4,384.80/x
  3. Step 3: Cross multiply
    11,784.15x = 17,674.20 × 4,384.80
  4. Step 4: Simplify right side
    11,784.15x = 77,497,832.16
  5. Step 5: Solve for x
    x = 77,497,832.16/11,784.15
  6. Step 6: Final answer
    x = 6,576.45

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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.