Home / 14,072.86-21,101.50-5,758.72

Finding the Fourth Proportional to 14,072.86, 21,101.50 and 5,758.72

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Solution

The fourth proportional to 14,072.86, 21,101.50 and 5,758.72 is: 8,634.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.86 : 21,101.50 = 5,758.72 : x
  2. Step 2: Convert to fraction form
    14,072.86/21,101.50 = 5,758.72/x
  3. Step 3: Cross multiply
    14,072.86x = 21,101.50 × 5,758.72
  4. Step 4: Simplify right side
    14,072.86x = 121,517,630.08
  5. Step 5: Solve for x
    x = 121,517,630.08/14,072.86
  6. Step 6: Final answer
    x = 8,634.89

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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.