Home / 19,283.36-28,891.98-12,946.37

Finding the Fourth Proportional to 19,283.36, 28,891.98 and 12,946.37

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Solution

The fourth proportional to 19,283.36, 28,891.98 and 12,946.37 is: 19,397.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.36 : 28,891.98 = 12,946.37 : x
  2. Step 2: Convert to fraction form
    19,283.36/28,891.98 = 12,946.37/x
  3. Step 3: Cross multiply
    19,283.36x = 28,891.98 × 12,946.37
  4. Step 4: Simplify right side
    19,283.36x = 374,046,118.65
  5. Step 5: Solve for x
    x = 374,046,118.65/19,283.36
  6. Step 6: Final answer
    x = 19,397.36

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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.