Home / 18,216.06-27,330.98-7,130.67

Finding the Fourth Proportional to 18,216.06, 27,330.98 and 7,130.67

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Solution

The fourth proportional to 18,216.06, 27,330.98 and 7,130.67 is: 10,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.06 : 27,330.98 = 7,130.67 : x
  2. Step 2: Convert to fraction form
    18,216.06/27,330.98 = 7,130.67/x
  3. Step 3: Cross multiply
    18,216.06x = 27,330.98 × 7,130.67
  4. Step 4: Simplify right side
    18,216.06x = 194,888,163.50
  5. Step 5: Solve for x
    x = 194,888,163.50/18,216.06
  6. Step 6: Final answer
    x = 10,698.70

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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.