Home / 12,041.40-18,062.10-4,249.20

Finding the Fourth Proportional to 12,041.40, 18,062.10 and 4,249.20

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Solution

The fourth proportional to 12,041.40, 18,062.10 and 4,249.20 is: 6,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,041.40 : 18,062.10 = 4,249.20 : x
  2. Step 2: Convert to fraction form
    12,041.40/18,062.10 = 4,249.20/x
  3. Step 3: Cross multiply
    12,041.40x = 18,062.10 × 4,249.20
  4. Step 4: Simplify right side
    12,041.40x = 76,749,475.32
  5. Step 5: Solve for x
    x = 76,749,475.32/12,041.40
  6. Step 6: Final answer
    x = 6,373.80

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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.