Home / 13,356.44-20,039.28-5,038.84

Finding the Fourth Proportional to 13,356.44, 20,039.28 and 5,038.84

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Solution

The fourth proportional to 13,356.44, 20,039.28 and 5,038.84 is: 7,560.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.44 : 20,039.28 = 5,038.84 : x
  2. Step 2: Convert to fraction form
    13,356.44/20,039.28 = 5,038.84/x
  3. Step 3: Cross multiply
    13,356.44x = 20,039.28 × 5,038.84
  4. Step 4: Simplify right side
    13,356.44x = 100,974,725.64
  5. Step 5: Solve for x
    x = 100,974,725.64/13,356.44
  6. Step 6: Final answer
    x = 7,560.00

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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.