Home / 18,062.49-27,135.33-12,810.48

Finding the Fourth Proportional to 18,062.49, 27,135.33 and 12,810.48

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Solution

The fourth proportional to 18,062.49, 27,135.33 and 12,810.48 is: 19,245.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.49 : 27,135.33 = 12,810.48 : x
  2. Step 2: Convert to fraction form
    18,062.49/27,135.33 = 12,810.48/x
  3. Step 3: Cross multiply
    18,062.49x = 27,135.33 × 12,810.48
  4. Step 4: Simplify right side
    18,062.49x = 347,616,602.26
  5. Step 5: Solve for x
    x = 347,616,602.26/18,062.49
  6. Step 6: Final answer
    x = 19,245.22

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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.