Home / 14,669.38-20,244-8,698.78

Finding the Fourth Proportional to 14,669.38, 20,244 and 8,698.78

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Solution

The fourth proportional to 14,669.38, 20,244 and 8,698.78 is: 12,004.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,669.38 : 20,244 = 8,698.78 : x
  2. Step 2: Convert to fraction form
    14,669.38/20,244 = 8,698.78/x
  3. Step 3: Cross multiply
    14,669.38x = 20,244 × 8,698.78
  4. Step 4: Simplify right side
    14,669.38x = 176,098,102.32
  5. Step 5: Solve for x
    x = 176,098,102.32/14,669.38
  6. Step 6: Final answer
    x = 12,004.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.