Home / 42,408.18-63,607.41-11,245.86

Finding the Fourth Proportional to 42,408.18, 63,607.41 and 11,245.86

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Solution

The fourth proportional to 42,408.18, 63,607.41 and 11,245.86 is: 16,867.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,408.18 : 63,607.41 = 11,245.86 : x
  2. Step 2: Convert to fraction form
    42,408.18/63,607.41 = 11,245.86/x
  3. Step 3: Cross multiply
    42,408.18x = 63,607.41 × 11,245.86
  4. Step 4: Simplify right side
    42,408.18x = 715,320,027.82
  5. Step 5: Solve for x
    x = 715,320,027.82/42,408.18
  6. Step 6: Final answer
    x = 16,867.50

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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.