Home / 19,970.69-27,554.61-12,207.54

Finding the Fourth Proportional to 19,970.69, 27,554.61 and 12,207.54

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Solution

The fourth proportional to 19,970.69, 27,554.61 and 12,207.54 is: 16,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.69 : 27,554.61 = 12,207.54 : x
  2. Step 2: Convert to fraction form
    19,970.69/27,554.61 = 12,207.54/x
  3. Step 3: Cross multiply
    19,970.69x = 27,554.61 × 12,207.54
  4. Step 4: Simplify right side
    19,970.69x = 336,374,152.87
  5. Step 5: Solve for x
    x = 336,374,152.87/19,970.69
  6. Step 6: Final answer
    x = 16,843.40

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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.