Home / 12,133.18-18,188.95-4,735.93

Finding the Fourth Proportional to 12,133.18, 18,188.95 and 4,735.93

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Solution

The fourth proportional to 12,133.18, 18,188.95 and 4,735.93 is: 7,099.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.18 : 18,188.95 = 4,735.93 : x
  2. Step 2: Convert to fraction form
    12,133.18/18,188.95 = 4,735.93/x
  3. Step 3: Cross multiply
    12,133.18x = 18,188.95 × 4,735.93
  4. Step 4: Simplify right side
    12,133.18x = 86,141,593.97
  5. Step 5: Solve for x
    x = 86,141,593.97/12,133.18
  6. Step 6: Final answer
    x = 7,099.67

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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.