Home / 19,450.36-26,830.69-12,746.80

Finding the Fourth Proportional to 19,450.36, 26,830.69 and 12,746.80

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Solution

The fourth proportional to 19,450.36, 26,830.69 and 12,746.80 is: 17,583.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,450.36 : 26,830.69 = 12,746.80 : x
  2. Step 2: Convert to fraction form
    19,450.36/26,830.69 = 12,746.80/x
  3. Step 3: Cross multiply
    19,450.36x = 26,830.69 × 12,746.80
  4. Step 4: Simplify right side
    19,450.36x = 342,005,512.66
  5. Step 5: Solve for x
    x = 342,005,512.66/19,450.36
  6. Step 6: Final answer
    x = 17,583.50

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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.