Home / 14,359.43-19,813.09-8,389.95

Finding the Fourth Proportional to 14,359.43, 19,813.09 and 8,389.95

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Solution

The fourth proportional to 14,359.43, 19,813.09 and 8,389.95 is: 11,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.43 : 19,813.09 = 8,389.95 : x
  2. Step 2: Convert to fraction form
    14,359.43/19,813.09 = 8,389.95/x
  3. Step 3: Cross multiply
    14,359.43x = 19,813.09 × 8,389.95
  4. Step 4: Simplify right side
    14,359.43x = 166,230,763.94
  5. Step 5: Solve for x
    x = 166,230,763.94/14,359.43
  6. Step 6: Final answer
    x = 11,576.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.