Home / 21,197.10-29,252.18-12,244.40

Finding the Fourth Proportional to 21,197.10, 29,252.18 and 12,244.40

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Solution

The fourth proportional to 21,197.10, 29,252.18 and 12,244.40 is: 16,897.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,197.10 : 29,252.18 = 12,244.40 : x
  2. Step 2: Convert to fraction form
    21,197.10/29,252.18 = 12,244.40/x
  3. Step 3: Cross multiply
    21,197.10x = 29,252.18 × 12,244.40
  4. Step 4: Simplify right side
    21,197.10x = 358,175,185.31
  5. Step 5: Solve for x
    x = 358,175,185.31/21,197.10
  6. Step 6: Final answer
    x = 16,897.37

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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.