Home / 21,698.91-32,519.92-12,343.23

Finding the Fourth Proportional to 21,698.91, 32,519.92 and 12,343.23

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Solution

The fourth proportional to 21,698.91, 32,519.92 and 12,343.23 is: 18,498.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,698.91 : 32,519.92 = 12,343.23 : x
  2. Step 2: Convert to fraction form
    21,698.91/32,519.92 = 12,343.23/x
  3. Step 3: Cross multiply
    21,698.91x = 32,519.92 × 12,343.23
  4. Step 4: Simplify right side
    21,698.91x = 401,400,852.14
  5. Step 5: Solve for x
    x = 401,400,852.14/21,698.91
  6. Step 6: Final answer
    x = 18,498.66

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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.