Home / 19,967.90-27,554.70-12,008.60

Finding the Fourth Proportional to 19,967.90, 27,554.70 and 12,008.60

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Solution

The fourth proportional to 19,967.90, 27,554.70 and 12,008.60 is: 16,571.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,967.90 : 27,554.70 = 12,008.60 : x
  2. Step 2: Convert to fraction form
    19,967.90/27,554.70 = 12,008.60/x
  3. Step 3: Cross multiply
    19,967.90x = 27,554.70 × 12,008.60
  4. Step 4: Simplify right side
    19,967.90x = 330,893,370.42
  5. Step 5: Solve for x
    x = 330,893,370.42/19,967.90
  6. Step 6: Final answer
    x = 16,571.27

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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.