Home / 12,725.74-19,070.19-8,772.94

Finding the Fourth Proportional to 12,725.74, 19,070.19 and 8,772.94

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Solution

The fourth proportional to 12,725.74, 19,070.19 and 8,772.94 is: 13,146.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.74 : 19,070.19 = 8,772.94 : x
  2. Step 2: Convert to fraction form
    12,725.74/19,070.19 = 8,772.94/x
  3. Step 3: Cross multiply
    12,725.74x = 19,070.19 × 8,772.94
  4. Step 4: Simplify right side
    12,725.74x = 167,301,632.66
  5. Step 5: Solve for x
    x = 167,301,632.66/12,725.74
  6. Step 6: Final answer
    x = 13,146.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.