Home / 19,220.72-26,518.44-11,262.80

Finding the Fourth Proportional to 19,220.72, 26,518.44 and 11,262.80

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Solution

The fourth proportional to 19,220.72, 26,518.44 and 11,262.80 is: 15,539.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.72 : 26,518.44 = 11,262.80 : x
  2. Step 2: Convert to fraction form
    19,220.72/26,518.44 = 11,262.80/x
  3. Step 3: Cross multiply
    19,220.72x = 26,518.44 × 11,262.80
  4. Step 4: Simplify right side
    19,220.72x = 298,671,886.03
  5. Step 5: Solve for x
    x = 298,671,886.03/19,220.72
  6. Step 6: Final answer
    x = 15,539.06

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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.