Home / 14,285.45-19,719.09-11,628.24

Finding the Fourth Proportional to 14,285.45, 19,719.09 and 11,628.24

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Solution

The fourth proportional to 14,285.45, 19,719.09 and 11,628.24 is: 16,051.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.45 : 19,719.09 = 11,628.24 : x
  2. Step 2: Convert to fraction form
    14,285.45/19,719.09 = 11,628.24/x
  3. Step 3: Cross multiply
    14,285.45x = 19,719.09 × 11,628.24
  4. Step 4: Simplify right side
    14,285.45x = 229,298,311.10
  5. Step 5: Solve for x
    x = 229,298,311.10/14,285.45
  6. Step 6: Final answer
    x = 16,051.18

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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.