Home / 17,390.45-26,060.70-10,812.80

Finding the Fourth Proportional to 17,390.45, 26,060.70 and 10,812.80

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Solution

The fourth proportional to 17,390.45, 26,060.70 and 10,812.80 is: 16,203.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.45 : 26,060.70 = 10,812.80 : x
  2. Step 2: Convert to fraction form
    17,390.45/26,060.70 = 10,812.80/x
  3. Step 3: Cross multiply
    17,390.45x = 26,060.70 × 10,812.80
  4. Step 4: Simplify right side
    17,390.45x = 281,789,136.96
  5. Step 5: Solve for x
    x = 281,789,136.96/17,390.45
  6. Step 6: Final answer
    x = 16,203.67

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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.