Home / 18,669.96-28,004.94-10,784.48

Finding the Fourth Proportional to 18,669.96, 28,004.94 and 10,784.48

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Solution

The fourth proportional to 18,669.96, 28,004.94 and 10,784.48 is: 16,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.96 : 28,004.94 = 10,784.48 : x
  2. Step 2: Convert to fraction form
    18,669.96/28,004.94 = 10,784.48/x
  3. Step 3: Cross multiply
    18,669.96x = 28,004.94 × 10,784.48
  4. Step 4: Simplify right side
    18,669.96x = 302,018,575.31
  5. Step 5: Solve for x
    x = 302,018,575.31/18,669.96
  6. Step 6: Final answer
    x = 16,176.71

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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.