Home / 13,962.78-19,263.96-8,579.52

Finding the Fourth Proportional to 13,962.78, 19,263.96 and 8,579.52

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Solution

The fourth proportional to 13,962.78, 19,263.96 and 8,579.52 is: 11,836.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.78 : 19,263.96 = 8,579.52 : x
  2. Step 2: Convert to fraction form
    13,962.78/19,263.96 = 8,579.52/x
  3. Step 3: Cross multiply
    13,962.78x = 19,263.96 × 8,579.52
  4. Step 4: Simplify right side
    13,962.78x = 165,275,530.10
  5. Step 5: Solve for x
    x = 165,275,530.10/13,962.78
  6. Step 6: Final answer
    x = 11,836.86

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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.