Home / 10,688.26-16,032.61-3,668.21

Finding the Fourth Proportional to 10,688.26, 16,032.61 and 3,668.21

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Solution

The fourth proportional to 10,688.26, 16,032.61 and 3,668.21 is: 5,502.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.26 : 16,032.61 = 3,668.21 : x
  2. Step 2: Convert to fraction form
    10,688.26/16,032.61 = 3,668.21/x
  3. Step 3: Cross multiply
    10,688.26x = 16,032.61 × 3,668.21
  4. Step 4: Simplify right side
    10,688.26x = 58,810,980.33
  5. Step 5: Solve for x
    x = 58,810,980.33/10,688.26
  6. Step 6: Final answer
    x = 5,502.39

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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.