Home / 13,021.53-17,969.70-7,053.18

Finding the Fourth Proportional to 13,021.53, 17,969.70 and 7,053.18

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Solution

The fourth proportional to 13,021.53, 17,969.70 and 7,053.18 is: 9,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.53 : 17,969.70 = 7,053.18 : x
  2. Step 2: Convert to fraction form
    13,021.53/17,969.70 = 7,053.18/x
  3. Step 3: Cross multiply
    13,021.53x = 17,969.70 × 7,053.18
  4. Step 4: Simplify right side
    13,021.53x = 126,743,622.48
  5. Step 5: Solve for x
    x = 126,743,622.48/13,021.53
  6. Step 6: Final answer
    x = 9,733.39

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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.