Home / 10,411.36-14,361.84-6,217.12

Finding the Fourth Proportional to 10,411.36, 14,361.84 and 6,217.12

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Solution

The fourth proportional to 10,411.36, 14,361.84 and 6,217.12 is: 8,576.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411.36 : 14,361.84 = 6,217.12 : x
  2. Step 2: Convert to fraction form
    10,411.36/14,361.84 = 6,217.12/x
  3. Step 3: Cross multiply
    10,411.36x = 14,361.84 × 6,217.12
  4. Step 4: Simplify right side
    10,411.36x = 89,289,282.70
  5. Step 5: Solve for x
    x = 89,289,282.70/10,411.36
  6. Step 6: Final answer
    x = 8,576.14

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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.