Home / 12,384.14-18,574.38-4,070.81

Finding the Fourth Proportional to 12,384.14, 18,574.38 and 4,070.81

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Solution

The fourth proportional to 12,384.14, 18,574.38 and 4,070.81 is: 6,105.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384.14 : 18,574.38 = 4,070.81 : x
  2. Step 2: Convert to fraction form
    12,384.14/18,574.38 = 4,070.81/x
  3. Step 3: Cross multiply
    12,384.14x = 18,574.38 × 4,070.81
  4. Step 4: Simplify right side
    12,384.14x = 75,612,678.98
  5. Step 5: Solve for x
    x = 75,612,678.98/12,384.14
  6. Step 6: Final answer
    x = 6,105.61

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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.