Home / 18,925.95-28,393.37-5,778.33

Finding the Fourth Proportional to 18,925.95, 28,393.37 and 5,778.33

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Solution

The fourth proportional to 18,925.95, 28,393.37 and 5,778.33 is: 8,668.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925.95 : 28,393.37 = 5,778.33 : x
  2. Step 2: Convert to fraction form
    18,925.95/28,393.37 = 5,778.33/x
  3. Step 3: Cross multiply
    18,925.95x = 28,393.37 × 5,778.33
  4. Step 4: Simplify right side
    18,925.95x = 164,066,261.67
  5. Step 5: Solve for x
    x = 164,066,261.67/18,925.95
  6. Step 6: Final answer
    x = 8,668.85

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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.