Home / 14,128.25-19,497.39-7,841.03

Finding the Fourth Proportional to 14,128.25, 19,497.39 and 7,841.03

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Solution

The fourth proportional to 14,128.25, 19,497.39 and 7,841.03 is: 10,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.25 : 19,497.39 = 7,841.03 : x
  2. Step 2: Convert to fraction form
    14,128.25/19,497.39 = 7,841.03/x
  3. Step 3: Cross multiply
    14,128.25x = 19,497.39 × 7,841.03
  4. Step 4: Simplify right side
    14,128.25x = 152,879,619.91
  5. Step 5: Solve for x
    x = 152,879,619.91/14,128.25
  6. Step 6: Final answer
    x = 10,820.85

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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.