Home / 12,030.06-18,043.38-4,132.45

Finding the Fourth Proportional to 12,030.06, 18,043.38 and 4,132.45

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Solution

The fourth proportional to 12,030.06, 18,043.38 and 4,132.45 is: 6,198.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.06 : 18,043.38 = 4,132.45 : x
  2. Step 2: Convert to fraction form
    12,030.06/18,043.38 = 4,132.45/x
  3. Step 3: Cross multiply
    12,030.06x = 18,043.38 × 4,132.45
  4. Step 4: Simplify right side
    12,030.06x = 74,563,254.80
  5. Step 5: Solve for x
    x = 74,563,254.80/12,030.06
  6. Step 6: Final answer
    x = 6,198.08

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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.