Home / 18,699.61-28,052.25-5,550.34

Finding the Fourth Proportional to 18,699.61, 28,052.25 and 5,550.34

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Solution

The fourth proportional to 18,699.61, 28,052.25 and 5,550.34 is: 8,326.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699.61 : 28,052.25 = 5,550.34 : x
  2. Step 2: Convert to fraction form
    18,699.61/28,052.25 = 5,550.34/x
  3. Step 3: Cross multiply
    18,699.61x = 28,052.25 × 5,550.34
  4. Step 4: Simplify right side
    18,699.61x = 155,699,525.27
  5. Step 5: Solve for x
    x = 155,699,525.27/18,699.61
  6. Step 6: Final answer
    x = 8,326.35

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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.