Home / 10,769.20-14,861.58-6,518.86

Finding the Fourth Proportional to 10,769.20, 14,861.58 and 6,518.86

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Solution

The fourth proportional to 10,769.20, 14,861.58 and 6,518.86 is: 8,996.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,769.20 : 14,861.58 = 6,518.86 : x
  2. Step 2: Convert to fraction form
    10,769.20/14,861.58 = 6,518.86/x
  3. Step 3: Cross multiply
    10,769.20x = 14,861.58 × 6,518.86
  4. Step 4: Simplify right side
    10,769.20x = 96,880,559.40
  5. Step 5: Solve for x
    x = 96,880,559.40/10,769.20
  6. Step 6: Final answer
    x = 8,996.08

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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.