Home / 15,735.12-23,606.64-12,928.65

Finding the Fourth Proportional to 15,735.12, 23,606.64 and 12,928.65

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Solution

The fourth proportional to 15,735.12, 23,606.64 and 12,928.65 is: 19,396.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,735.12 : 23,606.64 = 12,928.65 : x
  2. Step 2: Convert to fraction form
    15,735.12/23,606.64 = 12,928.65/x
  3. Step 3: Cross multiply
    15,735.12x = 23,606.64 × 12,928.65
  4. Step 4: Simplify right side
    15,735.12x = 305,201,986.24
  5. Step 5: Solve for x
    x = 305,201,986.24/15,735.12
  6. Step 6: Final answer
    x = 19,396.23

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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.