Home / 19,292.19-28,938.26-12,670.49

Finding the Fourth Proportional to 19,292.19, 28,938.26 and 12,670.49

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Solution

The fourth proportional to 19,292.19, 28,938.26 and 12,670.49 is: 19,005.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.19 : 28,938.26 = 12,670.49 : x
  2. Step 2: Convert to fraction form
    19,292.19/28,938.26 = 12,670.49/x
  3. Step 3: Cross multiply
    19,292.19x = 28,938.26 × 12,670.49
  4. Step 4: Simplify right side
    19,292.19x = 366,661,725.90
  5. Step 5: Solve for x
    x = 366,661,725.90/19,292.19
  6. Step 6: Final answer
    x = 19,005.71

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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.