Home / 12,038.03-18,052.37-4,139.05

Finding the Fourth Proportional to 12,038.03, 18,052.37 and 4,139.05

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Solution

The fourth proportional to 12,038.03, 18,052.37 and 4,139.05 is: 6,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.03 : 18,052.37 = 4,139.05 : x
  2. Step 2: Convert to fraction form
    12,038.03/18,052.37 = 4,139.05/x
  3. Step 3: Cross multiply
    12,038.03x = 18,052.37 × 4,139.05
  4. Step 4: Simplify right side
    12,038.03x = 74,719,551.09
  5. Step 5: Solve for x
    x = 74,719,551.09/12,038.03
  6. Step 6: Final answer
    x = 6,206.96

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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.