Home / 10,190.15-14,051.03-6,408.70

Finding the Fourth Proportional to 10,190.15, 14,051.03 and 6,408.70

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Solution

The fourth proportional to 10,190.15, 14,051.03 and 6,408.70 is: 8,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.15 : 14,051.03 = 6,408.70 : x
  2. Step 2: Convert to fraction form
    10,190.15/14,051.03 = 6,408.70/x
  3. Step 3: Cross multiply
    10,190.15x = 14,051.03 × 6,408.70
  4. Step 4: Simplify right side
    10,190.15x = 90,048,835.96
  5. Step 5: Solve for x
    x = 90,048,835.96/10,190.15
  6. Step 6: Final answer
    x = 8,836.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.