Home / 15,619.54-23,431.74-5,087.06

Finding the Fourth Proportional to 15,619.54, 23,431.74 and 5,087.06

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Solution

The fourth proportional to 15,619.54, 23,431.74 and 5,087.06 is: 7,631.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.54 : 23,431.74 = 5,087.06 : x
  2. Step 2: Convert to fraction form
    15,619.54/23,431.74 = 5,087.06/x
  3. Step 3: Cross multiply
    15,619.54x = 23,431.74 × 5,087.06
  4. Step 4: Simplify right side
    15,619.54x = 119,198,667.28
  5. Step 5: Solve for x
    x = 119,198,667.28/15,619.54
  6. Step 6: Final answer
    x = 7,631.38

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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.