Home / 18,924.95-28,391.87-5,777.33

Finding the Fourth Proportional to 18,924.95, 28,391.87 and 5,777.33

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Solution

The fourth proportional to 18,924.95, 28,391.87 and 5,777.33 is: 8,667.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.95 : 28,391.87 = 5,777.33 : x
  2. Step 2: Convert to fraction form
    18,924.95/28,391.87 = 5,777.33/x
  3. Step 3: Cross multiply
    18,924.95x = 28,391.87 × 5,777.33
  4. Step 4: Simplify right side
    18,924.95x = 164,029,031.46
  5. Step 5: Solve for x
    x = 164,029,031.46/18,924.95
  6. Step 6: Final answer
    x = 8,667.34

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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.