Home / 13,147.36-19,729.26-7,308.04

Finding the Fourth Proportional to 13,147.36, 19,729.26 and 7,308.04

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Solution

The fourth proportional to 13,147.36, 19,729.26 and 7,308.04 is: 10,966.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147.36 : 19,729.26 = 7,308.04 : x
  2. Step 2: Convert to fraction form
    13,147.36/19,729.26 = 7,308.04/x
  3. Step 3: Cross multiply
    13,147.36x = 19,729.26 × 7,308.04
  4. Step 4: Simplify right side
    13,147.36x = 144,182,221.25
  5. Step 5: Solve for x
    x = 144,182,221.25/13,147.36
  6. Step 6: Final answer
    x = 10,966.63

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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.