Home / 12,923.27-19,392.46-7,384.49

Finding the Fourth Proportional to 12,923.27, 19,392.46 and 7,384.49

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Solution

The fourth proportional to 12,923.27, 19,392.46 and 7,384.49 is: 11,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923.27 : 19,392.46 = 7,384.49 : x
  2. Step 2: Convert to fraction form
    12,923.27/19,392.46 = 7,384.49/x
  3. Step 3: Cross multiply
    12,923.27x = 19,392.46 × 7,384.49
  4. Step 4: Simplify right side
    12,923.27x = 143,203,311.52
  5. Step 5: Solve for x
    x = 143,203,311.52/12,923.27
  6. Step 6: Final answer
    x = 11,081.05

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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.