Home / 13,085.92-19,631.84-4,321.76

Finding the Fourth Proportional to 13,085.92, 19,631.84 and 4,321.76

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Solution

The fourth proportional to 13,085.92, 19,631.84 and 4,321.76 is: 6,483.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085.92 : 19,631.84 = 4,321.76 : x
  2. Step 2: Convert to fraction form
    13,085.92/19,631.84 = 4,321.76/x
  3. Step 3: Cross multiply
    13,085.92x = 19,631.84 × 4,321.76
  4. Step 4: Simplify right side
    13,085.92x = 84,844,100.84
  5. Step 5: Solve for x
    x = 84,844,100.84/13,085.92
  6. Step 6: Final answer
    x = 6,483.62

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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.