Home / 21,096.80-29,135.04-14,798.24

Finding the Fourth Proportional to 21,096.80, 29,135.04 and 14,798.24

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Solution

The fourth proportional to 21,096.80, 29,135.04 and 14,798.24 is: 20,436.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,096.80 : 29,135.04 = 14,798.24 : x
  2. Step 2: Convert to fraction form
    21,096.80/29,135.04 = 14,798.24/x
  3. Step 3: Cross multiply
    21,096.80x = 29,135.04 × 14,798.24
  4. Step 4: Simplify right side
    21,096.80x = 431,147,314.33
  5. Step 5: Solve for x
    x = 431,147,314.33/21,096.80
  6. Step 6: Final answer
    x = 20,436.62

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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.