Home / 12,924.69-19,389.85-4,040.69

Finding the Fourth Proportional to 12,924.69, 19,389.85 and 4,040.69

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Solution

The fourth proportional to 12,924.69, 19,389.85 and 4,040.69 is: 6,061.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924.69 : 19,389.85 = 4,040.69 : x
  2. Step 2: Convert to fraction form
    12,924.69/19,389.85 = 4,040.69/x
  3. Step 3: Cross multiply
    12,924.69x = 19,389.85 × 4,040.69
  4. Step 4: Simplify right side
    12,924.69x = 78,348,286.15
  5. Step 5: Solve for x
    x = 78,348,286.15/12,924.69
  6. Step 6: Final answer
    x = 6,061.91

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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.