Home / 10,131.26-15,186.36-4,211.36

Finding the Fourth Proportional to 10,131.26, 15,186.36 and 4,211.36

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Solution

The fourth proportional to 10,131.26, 15,186.36 and 4,211.36 is: 6,312.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.26 : 15,186.36 = 4,211.36 : x
  2. Step 2: Convert to fraction form
    10,131.26/15,186.36 = 4,211.36/x
  3. Step 3: Cross multiply
    10,131.26x = 15,186.36 × 4,211.36
  4. Step 4: Simplify right side
    10,131.26x = 63,955,246.05
  5. Step 5: Solve for x
    x = 63,955,246.05/10,131.26
  6. Step 6: Final answer
    x = 6,312.67

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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.