Home / 21,466.44-29,624.70-13,404.87

Finding the Fourth Proportional to 21,466.44, 29,624.70 and 13,404.87

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Solution

The fourth proportional to 21,466.44, 29,624.70 and 13,404.87 is: 18,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,466.44 : 29,624.70 = 13,404.87 : x
  2. Step 2: Convert to fraction form
    21,466.44/29,624.70 = 13,404.87/x
  3. Step 3: Cross multiply
    21,466.44x = 29,624.70 × 13,404.87
  4. Step 4: Simplify right side
    21,466.44x = 397,115,252.29
  5. Step 5: Solve for x
    x = 397,115,252.29/21,466.44
  6. Step 6: Final answer
    x = 18,499.35

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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.