Home / 12,125.04-18,189.65-3,803.46

Finding the Fourth Proportional to 12,125.04, 18,189.65 and 3,803.46

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Solution

The fourth proportional to 12,125.04, 18,189.65 and 3,803.46 is: 5,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125.04 : 18,189.65 = 3,803.46 : x
  2. Step 2: Convert to fraction form
    12,125.04/18,189.65 = 3,803.46/x
  3. Step 3: Cross multiply
    12,125.04x = 18,189.65 × 3,803.46
  4. Step 4: Simplify right side
    12,125.04x = 69,183,606.19
  5. Step 5: Solve for x
    x = 69,183,606.19/12,125.04
  6. Step 6: Final answer
    x = 5,705.85

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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.