Home / 13,999.54-21,004.41-6,506.56

Finding the Fourth Proportional to 13,999.54, 21,004.41 and 6,506.56

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Solution

The fourth proportional to 13,999.54, 21,004.41 and 6,506.56 is: 9,762.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.54 : 21,004.41 = 6,506.56 : x
  2. Step 2: Convert to fraction form
    13,999.54/21,004.41 = 6,506.56/x
  3. Step 3: Cross multiply
    13,999.54x = 21,004.41 × 6,506.56
  4. Step 4: Simplify right side
    13,999.54x = 136,666,453.93
  5. Step 5: Solve for x
    x = 136,666,453.93/13,999.54
  6. Step 6: Final answer
    x = 9,762.21

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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.