Home / 15,928.40-23,918.20-11,576.40

Finding the Fourth Proportional to 15,928.40, 23,918.20 and 11,576.40

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Solution

The fourth proportional to 15,928.40, 23,918.20 and 11,576.40 is: 17,383.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,928.40 : 23,918.20 = 11,576.40 : x
  2. Step 2: Convert to fraction form
    15,928.40/23,918.20 = 11,576.40/x
  3. Step 3: Cross multiply
    15,928.40x = 23,918.20 × 11,576.40
  4. Step 4: Simplify right side
    15,928.40x = 276,886,650.48
  5. Step 5: Solve for x
    x = 276,886,650.48/15,928.40
  6. Step 6: Final answer
    x = 17,383.21

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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.