Home / 14,683.13-20,262.43-8,309.60

Finding the Fourth Proportional to 14,683.13, 20,262.43 and 8,309.60

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Solution

The fourth proportional to 14,683.13, 20,262.43 and 8,309.60 is: 11,467.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,683.13 : 20,262.43 = 8,309.60 : x
  2. Step 2: Convert to fraction form
    14,683.13/20,262.43 = 8,309.60/x
  3. Step 3: Cross multiply
    14,683.13x = 20,262.43 × 8,309.60
  4. Step 4: Simplify right side
    14,683.13x = 168,372,688.33
  5. Step 5: Solve for x
    x = 168,372,688.33/14,683.13
  6. Step 6: Final answer
    x = 11,467.08

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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.