Home / 18,384.02-27,576.04-7,845.18

Finding the Fourth Proportional to 18,384.02, 27,576.04 and 7,845.18

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Solution

The fourth proportional to 18,384.02, 27,576.04 and 7,845.18 is: 11,767.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.02 : 27,576.04 = 7,845.18 : x
  2. Step 2: Convert to fraction form
    18,384.02/27,576.04 = 7,845.18/x
  3. Step 3: Cross multiply
    18,384.02x = 27,576.04 × 7,845.18
  4. Step 4: Simplify right side
    18,384.02x = 216,338,997.49
  5. Step 5: Solve for x
    x = 216,338,997.49/18,384.02
  6. Step 6: Final answer
    x = 11,767.77

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Similar ratio
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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.