Home / 13,000.38-19,500.54-4,235.28

Finding the Fourth Proportional to 13,000.38, 19,500.54 and 4,235.28

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Solution

The fourth proportional to 13,000.38, 19,500.54 and 4,235.28 is: 6,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.38 : 19,500.54 = 4,235.28 : x
  2. Step 2: Convert to fraction form
    13,000.38/19,500.54 = 4,235.28/x
  3. Step 3: Cross multiply
    13,000.38x = 19,500.54 × 4,235.28
  4. Step 4: Simplify right side
    13,000.38x = 82,590,247.05
  5. Step 5: Solve for x
    x = 82,590,247.05/13,000.38
  6. Step 6: Final answer
    x = 6,352.91

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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.