Home / 19,114.77-28,660.80-7,269.41

Finding the Fourth Proportional to 19,114.77, 28,660.80 and 7,269.41

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Solution

The fourth proportional to 19,114.77, 28,660.80 and 7,269.41 is: 10,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.77 : 28,660.80 = 7,269.41 : x
  2. Step 2: Convert to fraction form
    19,114.77/28,660.80 = 7,269.41/x
  3. Step 3: Cross multiply
    19,114.77x = 28,660.80 × 7,269.41
  4. Step 4: Simplify right side
    19,114.77x = 208,347,106.13
  5. Step 5: Solve for x
    x = 208,347,106.13/19,114.77
  6. Step 6: Final answer
    x = 10,899.80

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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.