Home / 15,619.98-23,435.40-6,855.54

Finding the Fourth Proportional to 15,619.98, 23,435.40 and 6,855.54

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Solution

The fourth proportional to 15,619.98, 23,435.40 and 6,855.54 is: 10,285.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.98 : 23,435.40 = 6,855.54 : x
  2. Step 2: Convert to fraction form
    15,619.98/23,435.40 = 6,855.54/x
  3. Step 3: Cross multiply
    15,619.98x = 23,435.40 × 6,855.54
  4. Step 4: Simplify right side
    15,619.98x = 160,662,322.12
  5. Step 5: Solve for x
    x = 160,662,322.12/15,619.98
  6. Step 6: Final answer
    x = 10,285.69

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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.