Home / 11,868.21-16,376.20-6,562

Finding the Fourth Proportional to 11,868.21, 16,376.20 and 6,562

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Solution

The fourth proportional to 11,868.21, 16,376.20 and 6,562 is: 9,054.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.21 : 16,376.20 = 6,562 : x
  2. Step 2: Convert to fraction form
    11,868.21/16,376.20 = 6,562/x
  3. Step 3: Cross multiply
    11,868.21x = 16,376.20 × 6,562
  4. Step 4: Simplify right side
    11,868.21x = 107,460,624.40
  5. Step 5: Solve for x
    x = 107,460,624.40/11,868.21
  6. Step 6: Final answer
    x = 9,054.49

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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.