Home / 13,913.85-19,201.01-7,626.21

Finding the Fourth Proportional to 13,913.85, 19,201.01 and 7,626.21

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Solution

The fourth proportional to 13,913.85, 19,201.01 and 7,626.21 is: 10,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.85 : 19,201.01 = 7,626.21 : x
  2. Step 2: Convert to fraction form
    13,913.85/19,201.01 = 7,626.21/x
  3. Step 3: Cross multiply
    13,913.85x = 19,201.01 × 7,626.21
  4. Step 4: Simplify right side
    13,913.85x = 146,430,896.34
  5. Step 5: Solve for x
    x = 146,430,896.34/13,913.85
  6. Step 6: Final answer
    x = 10,524.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.