Home / 11,406.19-15,741.16-6,370.52

Finding the Fourth Proportional to 11,406.19, 15,741.16 and 6,370.52

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Solution

The fourth proportional to 11,406.19, 15,741.16 and 6,370.52 is: 8,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.19 : 15,741.16 = 6,370.52 : x
  2. Step 2: Convert to fraction form
    11,406.19/15,741.16 = 6,370.52/x
  3. Step 3: Cross multiply
    11,406.19x = 15,741.16 × 6,370.52
  4. Step 4: Simplify right side
    11,406.19x = 100,279,430.70
  5. Step 5: Solve for x
    x = 100,279,430.70/11,406.19
  6. Step 6: Final answer
    x = 8,791.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.