Home / 21,522.21-29,700.98-12,568.26

Finding the Fourth Proportional to 21,522.21, 29,700.98 and 12,568.26

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Solution

The fourth proportional to 21,522.21, 29,700.98 and 12,568.26 is: 17,344.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,522.21 : 29,700.98 = 12,568.26 : x
  2. Step 2: Convert to fraction form
    21,522.21/29,700.98 = 12,568.26/x
  3. Step 3: Cross multiply
    21,522.21x = 29,700.98 × 12,568.26
  4. Step 4: Simplify right side
    21,522.21x = 373,289,734.56
  5. Step 5: Solve for x
    x = 373,289,734.56/21,522.21
  6. Step 6: Final answer
    x = 17,344.40

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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.