Home / 19,897.26-29,772.30-12,004.34

Finding the Fourth Proportional to 19,897.26, 29,772.30 and 12,004.34

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Solution

The fourth proportional to 19,897.26, 29,772.30 and 12,004.34 is: 17,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,897.26 : 29,772.30 = 12,004.34 : x
  2. Step 2: Convert to fraction form
    19,897.26/29,772.30 = 12,004.34/x
  3. Step 3: Cross multiply
    19,897.26x = 29,772.30 × 12,004.34
  4. Step 4: Simplify right side
    19,897.26x = 357,396,811.78
  5. Step 5: Solve for x
    x = 357,396,811.78/19,897.26
  6. Step 6: Final answer
    x = 17,962.11

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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.