Home / 18,208.36-27,312.54-6,529.78

Finding the Fourth Proportional to 18,208.36, 27,312.54 and 6,529.78

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Solution

The fourth proportional to 18,208.36, 27,312.54 and 6,529.78 is: 9,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.36 : 27,312.54 = 6,529.78 : x
  2. Step 2: Convert to fraction form
    18,208.36/27,312.54 = 6,529.78/x
  3. Step 3: Cross multiply
    18,208.36x = 27,312.54 × 6,529.78
  4. Step 4: Simplify right side
    18,208.36x = 178,344,877.44
  5. Step 5: Solve for x
    x = 178,344,877.44/18,208.36
  6. Step 6: Final answer
    x = 9,794.67

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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.