Home / 13,101.36-19,661.76-6,180.72

Finding the Fourth Proportional to 13,101.36, 19,661.76 and 6,180.72

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Solution

The fourth proportional to 13,101.36, 19,661.76 and 6,180.72 is: 9,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.36 : 19,661.76 = 6,180.72 : x
  2. Step 2: Convert to fraction form
    13,101.36/19,661.76 = 6,180.72/x
  3. Step 3: Cross multiply
    13,101.36x = 19,661.76 × 6,180.72
  4. Step 4: Simplify right side
    13,101.36x = 121,523,833.27
  5. Step 5: Solve for x
    x = 121,523,833.27/13,101.36
  6. Step 6: Final answer
    x = 9,275.67

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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.