Home / 21,409.04-29,547.94-13,452.44

Finding the Fourth Proportional to 21,409.04, 29,547.94 and 13,452.44

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Solution

The fourth proportional to 21,409.04, 29,547.94 and 13,452.44 is: 18,566.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409.04 : 29,547.94 = 13,452.44 : x
  2. Step 2: Convert to fraction form
    21,409.04/29,547.94 = 13,452.44/x
  3. Step 3: Cross multiply
    21,409.04x = 29,547.94 × 13,452.44
  4. Step 4: Simplify right side
    21,409.04x = 397,491,889.97
  5. Step 5: Solve for x
    x = 397,491,889.97/21,409.04
  6. Step 6: Final answer
    x = 18,566.54

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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.