Home / 12,030.19-18,010.09-7,017.23

Finding the Fourth Proportional to 12,030.19, 18,010.09 and 7,017.23

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Solution

The fourth proportional to 12,030.19, 18,010.09 and 7,017.23 is: 10,505.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.19 : 18,010.09 = 7,017.23 : x
  2. Step 2: Convert to fraction form
    12,030.19/18,010.09 = 7,017.23/x
  3. Step 3: Cross multiply
    12,030.19x = 18,010.09 × 7,017.23
  4. Step 4: Simplify right side
    12,030.19x = 126,380,971.33
  5. Step 5: Solve for x
    x = 126,380,971.33/12,030.19
  6. Step 6: Final answer
    x = 10,505.32

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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.