Home / 18,803.37-28,206.93-6,960.31

Finding the Fourth Proportional to 18,803.37, 28,206.93 and 6,960.31

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Solution

The fourth proportional to 18,803.37, 28,206.93 and 6,960.31 is: 10,441.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,803.37 : 28,206.93 = 6,960.31 : x
  2. Step 2: Convert to fraction form
    18,803.37/28,206.93 = 6,960.31/x
  3. Step 3: Cross multiply
    18,803.37x = 28,206.93 × 6,960.31
  4. Step 4: Simplify right side
    18,803.37x = 196,329,091.20
  5. Step 5: Solve for x
    x = 196,329,091.20/18,803.37
  6. Step 6: Final answer
    x = 10,441.16

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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.