Home / 13,085.46-19,628.16-5,299.74

Finding the Fourth Proportional to 13,085.46, 19,628.16 and 5,299.74

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Solution

The fourth proportional to 13,085.46, 19,628.16 and 5,299.74 is: 7,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085.46 : 19,628.16 = 5,299.74 : x
  2. Step 2: Convert to fraction form
    13,085.46/19,628.16 = 5,299.74/x
  3. Step 3: Cross multiply
    13,085.46x = 19,628.16 × 5,299.74
  4. Step 4: Simplify right side
    13,085.46x = 104,024,144.68
  5. Step 5: Solve for x
    x = 104,024,144.68/13,085.46
  6. Step 6: Final answer
    x = 7,949.60

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Similar ratio
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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.