Home / 13,273.90-19,896.87-6,686.24

Finding the Fourth Proportional to 13,273.90, 19,896.87 and 6,686.24

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Solution

The fourth proportional to 13,273.90, 19,896.87 and 6,686.24 is: 10,022.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.90 : 19,896.87 = 6,686.24 : x
  2. Step 2: Convert to fraction form
    13,273.90/19,896.87 = 6,686.24/x
  3. Step 3: Cross multiply
    13,273.90x = 19,896.87 × 6,686.24
  4. Step 4: Simplify right side
    13,273.90x = 133,035,248.07
  5. Step 5: Solve for x
    x = 133,035,248.07/13,273.90
  6. Step 6: Final answer
    x = 10,022.32

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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.