Home / 19,128.56-26,422.35-14,706.68

Finding the Fourth Proportional to 19,128.56, 26,422.35 and 14,706.68

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Solution

The fourth proportional to 19,128.56, 26,422.35 and 14,706.68 is: 20,314.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128.56 : 26,422.35 = 14,706.68 : x
  2. Step 2: Convert to fraction form
    19,128.56/26,422.35 = 14,706.68/x
  3. Step 3: Cross multiply
    19,128.56x = 26,422.35 × 14,706.68
  4. Step 4: Simplify right side
    19,128.56x = 388,585,046.30
  5. Step 5: Solve for x
    x = 388,585,046.30/19,128.56
  6. Step 6: Final answer
    x = 20,314.39

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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.