Home / 12,030.06-18,040.47-4,131.10

Finding the Fourth Proportional to 12,030.06, 18,040.47 and 4,131.10

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Solution

The fourth proportional to 12,030.06, 18,040.47 and 4,131.10 is: 6,195.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.06 : 18,040.47 = 4,131.10 : x
  2. Step 2: Convert to fraction form
    12,030.06/18,040.47 = 4,131.10/x
  3. Step 3: Cross multiply
    12,030.06x = 18,040.47 × 4,131.10
  4. Step 4: Simplify right side
    12,030.06x = 74,526,985.62
  5. Step 5: Solve for x
    x = 74,526,985.62/12,030.06
  6. Step 6: Final answer
    x = 6,195.06

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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.