Home / 14,207.09-19,605.87-8,242.31

Finding the Fourth Proportional to 14,207.09, 19,605.87 and 8,242.31

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Solution

The fourth proportional to 14,207.09, 19,605.87 and 8,242.31 is: 11,374.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.09 : 19,605.87 = 8,242.31 : x
  2. Step 2: Convert to fraction form
    14,207.09/19,605.87 = 8,242.31/x
  3. Step 3: Cross multiply
    14,207.09x = 19,605.87 × 8,242.31
  4. Step 4: Simplify right side
    14,207.09x = 161,597,658.36
  5. Step 5: Solve for x
    x = 161,597,658.36/14,207.09
  6. Step 6: Final answer
    x = 11,374.44

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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.