Home / 21,663.04-29,893.92-12,101.03

Finding the Fourth Proportional to 21,663.04, 29,893.92 and 12,101.03

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Solution

The fourth proportional to 21,663.04, 29,893.92 and 12,101.03 is: 16,698.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,663.04 : 29,893.92 = 12,101.03 : x
  2. Step 2: Convert to fraction form
    21,663.04/29,893.92 = 12,101.03/x
  3. Step 3: Cross multiply
    21,663.04x = 29,893.92 × 12,101.03
  4. Step 4: Simplify right side
    21,663.04x = 361,747,148.00
  5. Step 5: Solve for x
    x = 361,747,148.00/21,663.04
  6. Step 6: Final answer
    x = 16,698.82

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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.