Home / 19,970.40-27,554.24-12,207.26

Finding the Fourth Proportional to 19,970.40, 27,554.24 and 12,207.26

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Solution

The fourth proportional to 19,970.40, 27,554.24 and 12,207.26 is: 16,843.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.40 : 27,554.24 = 12,207.26 : x
  2. Step 2: Convert to fraction form
    19,970.40/27,554.24 = 12,207.26/x
  3. Step 3: Cross multiply
    19,970.40x = 27,554.24 × 12,207.26
  4. Step 4: Simplify right side
    19,970.40x = 336,361,716.19
  5. Step 5: Solve for x
    x = 336,361,716.19/19,970.40
  6. Step 6: Final answer
    x = 16,843.01

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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.