Home / 13,516.73-18,651.96-7,849.67

Finding the Fourth Proportional to 13,516.73, 18,651.96 and 7,849.67

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Solution

The fourth proportional to 13,516.73, 18,651.96 and 7,849.67 is: 10,831.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.73 : 18,651.96 = 7,849.67 : x
  2. Step 2: Convert to fraction form
    13,516.73/18,651.96 = 7,849.67/x
  3. Step 3: Cross multiply
    13,516.73x = 18,651.96 × 7,849.67
  4. Step 4: Simplify right side
    13,516.73x = 146,411,637.59
  5. Step 5: Solve for x
    x = 146,411,637.59/13,516.73
  6. Step 6: Final answer
    x = 10,831.89

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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.