Home / 8,664.63-12,934.24-7,613.67

Finding the Fourth Proportional to 8,664.63, 12,934.24 and 7,613.67

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Solution

The fourth proportional to 8,664.63, 12,934.24 and 7,613.67 is: 11,365.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.63 : 12,934.24 = 7,613.67 : x
  2. Step 2: Convert to fraction form
    8,664.63/12,934.24 = 7,613.67/x
  3. Step 3: Cross multiply
    8,664.63x = 12,934.24 × 7,613.67
  4. Step 4: Simplify right side
    8,664.63x = 98,477,107.36
  5. Step 5: Solve for x
    x = 98,477,107.36/8,664.63
  6. Step 6: Final answer
    x = 11,365.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.