Home / 21,452.76-29,583.48-13,064.04

Finding the Fourth Proportional to 21,452.76, 29,583.48 and 13,064.04

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Solution

The fourth proportional to 21,452.76, 29,583.48 and 13,064.04 is: 18,015.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452.76 : 29,583.48 = 13,064.04 : x
  2. Step 2: Convert to fraction form
    21,452.76/29,583.48 = 13,064.04/x
  3. Step 3: Cross multiply
    21,452.76x = 29,583.48 × 13,064.04
  4. Step 4: Simplify right side
    21,452.76x = 386,479,766.06
  5. Step 5: Solve for x
    x = 386,479,766.06/21,452.76
  6. Step 6: Final answer
    x = 18,015.39

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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.