Home / 10,356.21-14,286.79-6,104.37

Finding the Fourth Proportional to 10,356.21, 14,286.79 and 6,104.37

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Solution

The fourth proportional to 10,356.21, 14,286.79 and 6,104.37 is: 8,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.21 : 14,286.79 = 6,104.37 : x
  2. Step 2: Convert to fraction form
    10,356.21/14,286.79 = 6,104.37/x
  3. Step 3: Cross multiply
    10,356.21x = 14,286.79 × 6,104.37
  4. Step 4: Simplify right side
    10,356.21x = 87,211,852.27
  5. Step 5: Solve for x
    x = 87,211,852.27/10,356.21
  6. Step 6: Final answer
    x = 8,421.21

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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.