Home / 18,485.10-27,852.37-15,270.18

Finding the Fourth Proportional to 18,485.10, 27,852.37 and 15,270.18

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Solution

The fourth proportional to 18,485.10, 27,852.37 and 15,270.18 is: 23,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485.10 : 27,852.37 = 15,270.18 : x
  2. Step 2: Convert to fraction form
    18,485.10/27,852.37 = 15,270.18/x
  3. Step 3: Cross multiply
    18,485.10x = 27,852.37 × 15,270.18
  4. Step 4: Simplify right side
    18,485.10x = 425,310,703.33
  5. Step 5: Solve for x
    x = 425,310,703.33/18,485.10
  6. Step 6: Final answer
    x = 23,008.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.