Home / 13,932.42-19,226.75-7,644.80

Finding the Fourth Proportional to 13,932.42, 19,226.75 and 7,644.80

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Solution

The fourth proportional to 13,932.42, 19,226.75 and 7,644.80 is: 10,549.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.42 : 19,226.75 = 7,644.80 : x
  2. Step 2: Convert to fraction form
    13,932.42/19,226.75 = 7,644.80/x
  3. Step 3: Cross multiply
    13,932.42x = 19,226.75 × 7,644.80
  4. Step 4: Simplify right side
    13,932.42x = 146,984,603.09
  5. Step 5: Solve for x
    x = 146,984,603.09/13,932.42
  6. Step 6: Final answer
    x = 10,549.82

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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.