Home / 15,579.92-23,327.49-13,189.25

Finding the Fourth Proportional to 15,579.92, 23,327.49 and 13,189.25

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Solution

The fourth proportional to 15,579.92, 23,327.49 and 13,189.25 is: 19,747.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.92 : 23,327.49 = 13,189.25 : x
  2. Step 2: Convert to fraction form
    15,579.92/23,327.49 = 13,189.25/x
  3. Step 3: Cross multiply
    15,579.92x = 23,327.49 × 13,189.25
  4. Step 4: Simplify right side
    15,579.92x = 307,671,980.85
  5. Step 5: Solve for x
    x = 307,671,980.85/15,579.92
  6. Step 6: Final answer
    x = 19,747.99

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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.