Home / 13,145.06-19,705.86-4,823.13

Finding the Fourth Proportional to 13,145.06, 19,705.86 and 4,823.13

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Solution

The fourth proportional to 13,145.06, 19,705.86 and 4,823.13 is: 7,230.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145.06 : 19,705.86 = 4,823.13 : x
  2. Step 2: Convert to fraction form
    13,145.06/19,705.86 = 4,823.13/x
  3. Step 3: Cross multiply
    13,145.06x = 19,705.86 × 4,823.13
  4. Step 4: Simplify right side
    13,145.06x = 95,043,924.54
  5. Step 5: Solve for x
    x = 95,043,924.54/13,145.06
  6. Step 6: Final answer
    x = 7,230.39

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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.