Home / 10,362.12-14,299.92-6,172.80

Finding the Fourth Proportional to 10,362.12, 14,299.92 and 6,172.80

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Solution

The fourth proportional to 10,362.12, 14,299.92 and 6,172.80 is: 8,518.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362.12 : 14,299.92 = 6,172.80 : x
  2. Step 2: Convert to fraction form
    10,362.12/14,299.92 = 6,172.80/x
  3. Step 3: Cross multiply
    10,362.12x = 14,299.92 × 6,172.80
  4. Step 4: Simplify right side
    10,362.12x = 88,270,546.18
  5. Step 5: Solve for x
    x = 88,270,546.18/10,362.12
  6. Step 6: Final answer
    x = 8,518.58

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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.