Home / 14,327.27-19,770.67-8,665.13

Finding the Fourth Proportional to 14,327.27, 19,770.67 and 8,665.13

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Solution

The fourth proportional to 14,327.27, 19,770.67 and 8,665.13 is: 11,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,327.27 : 19,770.67 = 8,665.13 : x
  2. Step 2: Convert to fraction form
    14,327.27/19,770.67 = 8,665.13/x
  3. Step 3: Cross multiply
    14,327.27x = 19,770.67 × 8,665.13
  4. Step 4: Simplify right side
    14,327.27x = 171,315,486.00
  5. Step 5: Solve for x
    x = 171,315,486.00/14,327.27
  6. Step 6: Final answer
    x = 11,957.30

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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.