Home / 11,029.23-15,218.55-6,313.55

Finding the Fourth Proportional to 11,029.23, 15,218.55 and 6,313.55

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Solution

The fourth proportional to 11,029.23, 15,218.55 and 6,313.55 is: 8,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.23 : 15,218.55 = 6,313.55 : x
  2. Step 2: Convert to fraction form
    11,029.23/15,218.55 = 6,313.55/x
  3. Step 3: Cross multiply
    11,029.23x = 15,218.55 × 6,313.55
  4. Step 4: Simplify right side
    11,029.23x = 96,083,000.26
  5. Step 5: Solve for x
    x = 96,083,000.26/11,029.23
  6. Step 6: Final answer
    x = 8,711.67

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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.