Home / 12,505.28-18,762.96-4,716.32

Finding the Fourth Proportional to 12,505.28, 18,762.96 and 4,716.32

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Solution

The fourth proportional to 12,505.28, 18,762.96 and 4,716.32 is: 7,076.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.28 : 18,762.96 = 4,716.32 : x
  2. Step 2: Convert to fraction form
    12,505.28/18,762.96 = 4,716.32/x
  3. Step 3: Cross multiply
    12,505.28x = 18,762.96 × 4,716.32
  4. Step 4: Simplify right side
    12,505.28x = 88,492,123.51
  5. Step 5: Solve for x
    x = 88,492,123.51/12,505.28
  6. Step 6: Final answer
    x = 7,076.38

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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.