Home / 19,750.74-29,619.57-9,883.27

Finding the Fourth Proportional to 19,750.74, 29,619.57 and 9,883.27

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Solution

The fourth proportional to 19,750.74, 29,619.57 and 9,883.27 is: 14,821.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,750.74 : 29,619.57 = 9,883.27 : x
  2. Step 2: Convert to fraction form
    19,750.74/29,619.57 = 9,883.27/x
  3. Step 3: Cross multiply
    19,750.74x = 29,619.57 × 9,883.27
  4. Step 4: Simplify right side
    19,750.74x = 292,738,115.07
  5. Step 5: Solve for x
    x = 292,738,115.07/19,750.74
  6. Step 6: Final answer
    x = 14,821.63

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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.