Home / 19,239.21-28,858.82-8,851.05

Finding the Fourth Proportional to 19,239.21, 28,858.82 and 8,851.05

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Solution

The fourth proportional to 19,239.21, 28,858.82 and 8,851.05 is: 13,276.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.21 : 28,858.82 = 8,851.05 : x
  2. Step 2: Convert to fraction form
    19,239.21/28,858.82 = 8,851.05/x
  3. Step 3: Cross multiply
    19,239.21x = 28,858.82 × 8,851.05
  4. Step 4: Simplify right side
    19,239.21x = 255,430,814.51
  5. Step 5: Solve for x
    x = 255,430,814.51/19,239.21
  6. Step 6: Final answer
    x = 13,276.58

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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.