Home / 12,040.64-18,060.54-4,249.28

Finding the Fourth Proportional to 12,040.64, 18,060.54 and 4,249.28

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Solution

The fourth proportional to 12,040.64, 18,060.54 and 4,249.28 is: 6,373.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.64 : 18,060.54 = 4,249.28 : x
  2. Step 2: Convert to fraction form
    12,040.64/18,060.54 = 4,249.28/x
  3. Step 3: Cross multiply
    12,040.64x = 18,060.54 × 4,249.28
  4. Step 4: Simplify right side
    12,040.64x = 76,744,291.41
  5. Step 5: Solve for x
    x = 76,744,291.41/12,040.64
  6. Step 6: Final answer
    x = 6,373.77

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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.