Home / 21,450.91-29,592.24-13,497.52

Finding the Fourth Proportional to 21,450.91, 29,592.24 and 13,497.52

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Solution

The fourth proportional to 21,450.91, 29,592.24 and 13,497.52 is: 18,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,450.91 : 29,592.24 = 13,497.52 : x
  2. Step 2: Convert to fraction form
    21,450.91/29,592.24 = 13,497.52/x
  3. Step 3: Cross multiply
    21,450.91x = 29,592.24 × 13,497.52
  4. Step 4: Simplify right side
    21,450.91x = 399,421,703.28
  5. Step 5: Solve for x
    x = 399,421,703.28/21,450.91
  6. Step 6: Final answer
    x = 18,620.27

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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.