Home / 21,354.23-29,470.67-11,924.62

Finding the Fourth Proportional to 21,354.23, 29,470.67 and 11,924.62

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Solution

The fourth proportional to 21,354.23, 29,470.67 and 11,924.62 is: 16,456.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,354.23 : 29,470.67 = 11,924.62 : x
  2. Step 2: Convert to fraction form
    21,354.23/29,470.67 = 11,924.62/x
  3. Step 3: Cross multiply
    21,354.23x = 29,470.67 × 11,924.62
  4. Step 4: Simplify right side
    21,354.23x = 351,426,485.21
  5. Step 5: Solve for x
    x = 351,426,485.21/21,354.23
  6. Step 6: Final answer
    x = 16,456.99

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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.