Home / 12,384.18-18,574.47-4,064.54

Finding the Fourth Proportional to 12,384.18, 18,574.47 and 4,064.54

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Solution

The fourth proportional to 12,384.18, 18,574.47 and 4,064.54 is: 6,096.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384.18 : 18,574.47 = 4,064.54 : x
  2. Step 2: Convert to fraction form
    12,384.18/18,574.47 = 4,064.54/x
  3. Step 3: Cross multiply
    12,384.18x = 18,574.47 × 4,064.54
  4. Step 4: Simplify right side
    12,384.18x = 75,496,583.42
  5. Step 5: Solve for x
    x = 75,496,583.42/12,384.18
  6. Step 6: Final answer
    x = 6,096.21

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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.