Home / 14,996.81-20,695.64-9,028.73

Finding the Fourth Proportional to 14,996.81, 20,695.64 and 9,028.73

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Solution

The fourth proportional to 14,996.81, 20,695.64 and 9,028.73 is: 12,459.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,996.81 : 20,695.64 = 9,028.73 : x
  2. Step 2: Convert to fraction form
    14,996.81/20,695.64 = 9,028.73/x
  3. Step 3: Cross multiply
    14,996.81x = 20,695.64 × 9,028.73
  4. Step 4: Simplify right side
    14,996.81x = 186,855,352.33
  5. Step 5: Solve for x
    x = 186,855,352.33/14,996.81
  6. Step 6: Final answer
    x = 12,459.67

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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.