Home / 13,085.64-19,628.46-5,299.92

Finding the Fourth Proportional to 13,085.64, 19,628.46 and 5,299.92

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Solution

The fourth proportional to 13,085.64, 19,628.46 and 5,299.92 is: 7,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085.64 : 19,628.46 = 5,299.92 : x
  2. Step 2: Convert to fraction form
    13,085.64/19,628.46 = 5,299.92/x
  3. Step 3: Cross multiply
    13,085.64x = 19,628.46 × 5,299.92
  4. Step 4: Simplify right side
    13,085.64x = 104,029,267.72
  5. Step 5: Solve for x
    x = 104,029,267.72/13,085.64
  6. Step 6: Final answer
    x = 7,949.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.