Home / 10,313.25-14,235.98-6,121.50

Finding the Fourth Proportional to 10,313.25, 14,235.98 and 6,121.50

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Solution

The fourth proportional to 10,313.25, 14,235.98 and 6,121.50 is: 8,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,313.25 : 14,235.98 = 6,121.50 : x
  2. Step 2: Convert to fraction form
    10,313.25/14,235.98 = 6,121.50/x
  3. Step 3: Cross multiply
    10,313.25x = 14,235.98 × 6,121.50
  4. Step 4: Simplify right side
    10,313.25x = 87,145,520.96
  5. Step 5: Solve for x
    x = 87,145,520.96/10,313.25
  6. Step 6: Final answer
    x = 8,449.86

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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.