Home / 14,167.80-21,227.40-9,234.90

Finding the Fourth Proportional to 14,167.80, 21,227.40 and 9,234.90

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Solution

The fourth proportional to 14,167.80, 21,227.40 and 9,234.90 is: 13,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.80 : 21,227.40 = 9,234.90 : x
  2. Step 2: Convert to fraction form
    14,167.80/21,227.40 = 9,234.90/x
  3. Step 3: Cross multiply
    14,167.80x = 21,227.40 × 9,234.90
  4. Step 4: Simplify right side
    14,167.80x = 196,032,916.26
  5. Step 5: Solve for x
    x = 196,032,916.26/14,167.80
  6. Step 6: Final answer
    x = 13,836.51

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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.