Home / 9,687.49-14,529.85-3,112.83

Finding the Fourth Proportional to 9,687.49, 14,529.85 and 3,112.83

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Solution

The fourth proportional to 9,687.49, 14,529.85 and 3,112.83 is: 4,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687.49 : 14,529.85 = 3,112.83 : x
  2. Step 2: Convert to fraction form
    9,687.49/14,529.85 = 3,112.83/x
  3. Step 3: Cross multiply
    9,687.49x = 14,529.85 × 3,112.83
  4. Step 4: Simplify right side
    9,687.49x = 45,228,952.98
  5. Step 5: Solve for x
    x = 45,228,952.98/9,687.49
  6. Step 6: Final answer
    x = 4,668.80

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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.