Home / 10,823.05-16,213.92-6,427.18

Finding the Fourth Proportional to 10,823.05, 16,213.92 and 6,427.18

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Solution

The fourth proportional to 10,823.05, 16,213.92 and 6,427.18 is: 9,628.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,823.05 : 16,213.92 = 6,427.18 : x
  2. Step 2: Convert to fraction form
    10,823.05/16,213.92 = 6,427.18/x
  3. Step 3: Cross multiply
    10,823.05x = 16,213.92 × 6,427.18
  4. Step 4: Simplify right side
    10,823.05x = 104,209,782.35
  5. Step 5: Solve for x
    x = 104,209,782.35/10,823.05
  6. Step 6: Final answer
    x = 9,628.50

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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.