Home / 13,665.11-20,483.06-9,757.67

Finding the Fourth Proportional to 13,665.11, 20,483.06 and 9,757.67

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Solution

The fourth proportional to 13,665.11, 20,483.06 and 9,757.67 is: 14,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665.11 : 20,483.06 = 9,757.67 : x
  2. Step 2: Convert to fraction form
    13,665.11/20,483.06 = 9,757.67/x
  3. Step 3: Cross multiply
    13,665.11x = 20,483.06 × 9,757.67
  4. Step 4: Simplify right side
    13,665.11x = 199,866,788.87
  5. Step 5: Solve for x
    x = 199,866,788.87/13,665.11
  6. Step 6: Final answer
    x = 14,626.07

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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.