Home / 14,480.04-21,696.21-13,269.54

Finding the Fourth Proportional to 14,480.04, 21,696.21 and 13,269.54

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Solution

The fourth proportional to 14,480.04, 21,696.21 and 13,269.54 is: 19,882.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.04 : 21,696.21 = 13,269.54 : x
  2. Step 2: Convert to fraction form
    14,480.04/21,696.21 = 13,269.54/x
  3. Step 3: Cross multiply
    14,480.04x = 21,696.21 × 13,269.54
  4. Step 4: Simplify right side
    14,480.04x = 287,898,726.44
  5. Step 5: Solve for x
    x = 287,898,726.44/14,480.04
  6. Step 6: Final answer
    x = 19,882.45

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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.