Home / 15,671.56-23,507.43-3,984.79

Finding the Fourth Proportional to 15,671.56, 23,507.43 and 3,984.79

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Solution

The fourth proportional to 15,671.56, 23,507.43 and 3,984.79 is: 5,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,671.56 : 23,507.43 = 3,984.79 : x
  2. Step 2: Convert to fraction form
    15,671.56/23,507.43 = 3,984.79/x
  3. Step 3: Cross multiply
    15,671.56x = 23,507.43 × 3,984.79
  4. Step 4: Simplify right side
    15,671.56x = 93,672,171.99
  5. Step 5: Solve for x
    x = 93,672,171.99/15,671.56
  6. Step 6: Final answer
    x = 5,977.21

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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.