Home / 15,667.56-23,509.68-6,908.64

Finding the Fourth Proportional to 15,667.56, 23,509.68 and 6,908.64

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Solution

The fourth proportional to 15,667.56, 23,509.68 and 6,908.64 is: 10,366.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667.56 : 23,509.68 = 6,908.64 : x
  2. Step 2: Convert to fraction form
    15,667.56/23,509.68 = 6,908.64/x
  3. Step 3: Cross multiply
    15,667.56x = 23,509.68 × 6,908.64
  4. Step 4: Simplify right side
    15,667.56x = 162,419,915.64
  5. Step 5: Solve for x
    x = 162,419,915.64/15,667.56
  6. Step 6: Final answer
    x = 10,366.64

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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.