Home / 20,773.63-28,667.91-11,341.99

Finding the Fourth Proportional to 20,773.63, 28,667.91 and 11,341.99

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Solution

The fourth proportional to 20,773.63, 28,667.91 and 11,341.99 is: 15,652.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,773.63 : 28,667.91 = 11,341.99 : x
  2. Step 2: Convert to fraction form
    20,773.63/28,667.91 = 11,341.99/x
  3. Step 3: Cross multiply
    20,773.63x = 28,667.91 × 11,341.99
  4. Step 4: Simplify right side
    20,773.63x = 325,151,148.54
  5. Step 5: Solve for x
    x = 325,151,148.54/20,773.63
  6. Step 6: Final answer
    x = 15,652.11

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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.