Home / 18,735.09-25,810.51-13,059.52

Finding the Fourth Proportional to 18,735.09, 25,810.51 and 13,059.52

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Solution

The fourth proportional to 18,735.09, 25,810.51 and 13,059.52 is: 17,991.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.09 : 25,810.51 = 13,059.52 : x
  2. Step 2: Convert to fraction form
    18,735.09/25,810.51 = 13,059.52/x
  3. Step 3: Cross multiply
    18,735.09x = 25,810.51 × 13,059.52
  4. Step 4: Simplify right side
    18,735.09x = 337,072,871.56
  5. Step 5: Solve for x
    x = 337,072,871.56/18,735.09
  6. Step 6: Final answer
    x = 17,991.53

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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.