Home / 13,867.12-19,137.08-7,579.52

Finding the Fourth Proportional to 13,867.12, 19,137.08 and 7,579.52

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Solution

The fourth proportional to 13,867.12, 19,137.08 and 7,579.52 is: 10,459.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.12 : 19,137.08 = 7,579.52 : x
  2. Step 2: Convert to fraction form
    13,867.12/19,137.08 = 7,579.52/x
  3. Step 3: Cross multiply
    13,867.12x = 19,137.08 × 7,579.52
  4. Step 4: Simplify right side
    13,867.12x = 145,049,880.60
  5. Step 5: Solve for x
    x = 145,049,880.60/13,867.12
  6. Step 6: Final answer
    x = 10,459.99

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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.