Home / 20,468.63-28,246.50-11,516.18

Finding the Fourth Proportional to 20,468.63, 28,246.50 and 11,516.18

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Solution

The fourth proportional to 20,468.63, 28,246.50 and 11,516.18 is: 15,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468.63 : 28,246.50 = 11,516.18 : x
  2. Step 2: Convert to fraction form
    20,468.63/28,246.50 = 11,516.18/x
  3. Step 3: Cross multiply
    20,468.63x = 28,246.50 × 11,516.18
  4. Step 4: Simplify right side
    20,468.63x = 325,291,778.37
  5. Step 5: Solve for x
    x = 325,291,778.37/20,468.63
  6. Step 6: Final answer
    x = 15,892.21

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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.