Home / 19,223.07-28,843.80-10,457.98

Finding the Fourth Proportional to 19,223.07, 28,843.80 and 10,457.98

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Solution

The fourth proportional to 19,223.07, 28,843.80 and 10,457.98 is: 15,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223.07 : 28,843.80 = 10,457.98 : x
  2. Step 2: Convert to fraction form
    19,223.07/28,843.80 = 10,457.98/x
  3. Step 3: Cross multiply
    19,223.07x = 28,843.80 × 10,457.98
  4. Step 4: Simplify right side
    19,223.07x = 301,647,772.20
  5. Step 5: Solve for x
    x = 301,647,772.20/19,223.07
  6. Step 6: Final answer
    x = 15,691.97

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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.