Home / 18,850.98-28,276.88-5,703.33

Finding the Fourth Proportional to 18,850.98, 28,276.88 and 5,703.33

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Solution

The fourth proportional to 18,850.98, 28,276.88 and 5,703.33 is: 8,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.98 : 28,276.88 = 5,703.33 : x
  2. Step 2: Convert to fraction form
    18,850.98/28,276.88 = 5,703.33/x
  3. Step 3: Cross multiply
    18,850.98x = 28,276.88 × 5,703.33
  4. Step 4: Simplify right side
    18,850.98x = 161,272,349.49
  5. Step 5: Solve for x
    x = 161,272,349.49/18,850.98
  6. Step 6: Final answer
    x = 8,555.12

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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.