Home / 13,508.79-20,263.19-5,717.67

Finding the Fourth Proportional to 13,508.79, 20,263.19 and 5,717.67

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Solution

The fourth proportional to 13,508.79, 20,263.19 and 5,717.67 is: 8,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.79 : 20,263.19 = 5,717.67 : x
  2. Step 2: Convert to fraction form
    13,508.79/20,263.19 = 5,717.67/x
  3. Step 3: Cross multiply
    13,508.79x = 20,263.19 × 5,717.67
  4. Step 4: Simplify right side
    13,508.79x = 115,858,204.98
  5. Step 5: Solve for x
    x = 115,858,204.98/13,508.79
  6. Step 6: Final answer
    x = 8,576.51

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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.