Home / 13,306.48-19,962.07-4,422.34

Finding the Fourth Proportional to 13,306.48, 19,962.07 and 4,422.34

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Solution

The fourth proportional to 13,306.48, 19,962.07 and 4,422.34 is: 6,634.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.48 : 19,962.07 = 4,422.34 : x
  2. Step 2: Convert to fraction form
    13,306.48/19,962.07 = 4,422.34/x
  3. Step 3: Cross multiply
    13,306.48x = 19,962.07 × 4,422.34
  4. Step 4: Simplify right side
    13,306.48x = 88,279,060.64
  5. Step 5: Solve for x
    x = 88,279,060.64/13,306.48
  6. Step 6: Final answer
    x = 6,634.29

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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.