Home / 13,049.92-19,575.12-3,189.28

Finding the Fourth Proportional to 13,049.92, 19,575.12 and 3,189.28

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Solution

The fourth proportional to 13,049.92, 19,575.12 and 3,189.28 is: 4,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.92 : 19,575.12 = 3,189.28 : x
  2. Step 2: Convert to fraction form
    13,049.92/19,575.12 = 3,189.28/x
  3. Step 3: Cross multiply
    13,049.92x = 19,575.12 × 3,189.28
  4. Step 4: Simplify right side
    13,049.92x = 62,430,538.71
  5. Step 5: Solve for x
    x = 62,430,538.71/13,049.92
  6. Step 6: Final answer
    x = 4,783.98

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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.