Home / 19,348.66-26,706.99-12,622.42

Finding the Fourth Proportional to 19,348.66, 26,706.99 and 12,622.42

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Solution

The fourth proportional to 19,348.66, 26,706.99 and 12,622.42 is: 17,422.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348.66 : 26,706.99 = 12,622.42 : x
  2. Step 2: Convert to fraction form
    19,348.66/26,706.99 = 12,622.42/x
  3. Step 3: Cross multiply
    19,348.66x = 26,706.99 × 12,622.42
  4. Step 4: Simplify right side
    19,348.66x = 337,106,844.72
  5. Step 5: Solve for x
    x = 337,106,844.72/19,348.66
  6. Step 6: Final answer
    x = 17,422.75

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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.