Home / 13,815.28-19,059.38-9,625.96

Finding the Fourth Proportional to 13,815.28, 19,059.38 and 9,625.96

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Solution

The fourth proportional to 13,815.28, 19,059.38 and 9,625.96 is: 13,279.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815.28 : 19,059.38 = 9,625.96 : x
  2. Step 2: Convert to fraction form
    13,815.28/19,059.38 = 9,625.96/x
  3. Step 3: Cross multiply
    13,815.28x = 19,059.38 × 9,625.96
  4. Step 4: Simplify right side
    13,815.28x = 183,464,829.50
  5. Step 5: Solve for x
    x = 183,464,829.50/13,815.28
  6. Step 6: Final answer
    x = 13,279.85

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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.