Home / 21,953.03-30,295.22-13,004.96

Finding the Fourth Proportional to 21,953.03, 30,295.22 and 13,004.96

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Solution

The fourth proportional to 21,953.03, 30,295.22 and 13,004.96 is: 17,946.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,953.03 : 30,295.22 = 13,004.96 : x
  2. Step 2: Convert to fraction form
    21,953.03/30,295.22 = 13,004.96/x
  3. Step 3: Cross multiply
    21,953.03x = 30,295.22 × 13,004.96
  4. Step 4: Simplify right side
    21,953.03x = 393,987,907.79
  5. Step 5: Solve for x
    x = 393,987,907.79/21,953.03
  6. Step 6: Final answer
    x = 17,946.86

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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.