Home / 13,948.07-19,245.29-8,284.68

Finding the Fourth Proportional to 13,948.07, 19,245.29 and 8,284.68

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Solution

The fourth proportional to 13,948.07, 19,245.29 and 8,284.68 is: 11,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.07 : 19,245.29 = 8,284.68 : x
  2. Step 2: Convert to fraction form
    13,948.07/19,245.29 = 8,284.68/x
  3. Step 3: Cross multiply
    13,948.07x = 19,245.29 × 8,284.68
  4. Step 4: Simplify right side
    13,948.07x = 159,441,027.73
  5. Step 5: Solve for x
    x = 159,441,027.73/13,948.07
  6. Step 6: Final answer
    x = 11,431.05

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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.