Home / 18,133.97-27,199.67-4,806.68

Finding the Fourth Proportional to 18,133.97, 27,199.67 and 4,806.68

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Solution

The fourth proportional to 18,133.97, 27,199.67 and 4,806.68 is: 7,209.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.97 : 27,199.67 = 4,806.68 : x
  2. Step 2: Convert to fraction form
    18,133.97/27,199.67 = 4,806.68/x
  3. Step 3: Cross multiply
    18,133.97x = 27,199.67 × 4,806.68
  4. Step 4: Simplify right side
    18,133.97x = 130,739,985.81
  5. Step 5: Solve for x
    x = 130,739,985.81/18,133.97
  6. Step 6: Final answer
    x = 7,209.67

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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.