Home / 15,144.28-20,892.54-10,667.32

Finding the Fourth Proportional to 15,144.28, 20,892.54 and 10,667.32

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Solution

The fourth proportional to 15,144.28, 20,892.54 and 10,667.32 is: 14,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.28 : 20,892.54 = 10,667.32 : x
  2. Step 2: Convert to fraction form
    15,144.28/20,892.54 = 10,667.32/x
  3. Step 3: Cross multiply
    15,144.28x = 20,892.54 × 10,667.32
  4. Step 4: Simplify right side
    15,144.28x = 222,867,409.79
  5. Step 5: Solve for x
    x = 222,867,409.79/15,144.28
  6. Step 6: Final answer
    x = 14,716.28

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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.