Home / 13,714.11-18,927.27-7,747.65

Finding the Fourth Proportional to 13,714.11, 18,927.27 and 7,747.65

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Solution

The fourth proportional to 13,714.11, 18,927.27 and 7,747.65 is: 10,692.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.11 : 18,927.27 = 7,747.65 : x
  2. Step 2: Convert to fraction form
    13,714.11/18,927.27 = 7,747.65/x
  3. Step 3: Cross multiply
    13,714.11x = 18,927.27 × 7,747.65
  4. Step 4: Simplify right side
    13,714.11x = 146,641,863.42
  5. Step 5: Solve for x
    x = 146,641,863.42/13,714.11
  6. Step 6: Final answer
    x = 10,692.77

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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.