Home / 13,000.25-19,500.35-4,235.15

Finding the Fourth Proportional to 13,000.25, 19,500.35 and 4,235.15

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Solution

The fourth proportional to 13,000.25, 19,500.35 and 4,235.15 is: 6,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.25 : 19,500.35 = 4,235.15 : x
  2. Step 2: Convert to fraction form
    13,000.25/19,500.35 = 4,235.15/x
  3. Step 3: Cross multiply
    13,000.25x = 19,500.35 × 4,235.15
  4. Step 4: Simplify right side
    13,000.25x = 82,586,820.39
  5. Step 5: Solve for x
    x = 82,586,820.39/13,000.25
  6. Step 6: Final answer
    x = 6,352.71

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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.