Home / 13,954.77-19,249.05-8,285.67

Finding the Fourth Proportional to 13,954.77, 19,249.05 and 8,285.67

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Solution

The fourth proportional to 13,954.77, 19,249.05 and 8,285.67 is: 11,429.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.77 : 19,249.05 = 8,285.67 : x
  2. Step 2: Convert to fraction form
    13,954.77/19,249.05 = 8,285.67/x
  3. Step 3: Cross multiply
    13,954.77x = 19,249.05 × 8,285.67
  4. Step 4: Simplify right side
    13,954.77x = 159,491,276.11
  5. Step 5: Solve for x
    x = 159,491,276.11/13,954.77
  6. Step 6: Final answer
    x = 11,429.16

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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.