Home / 10,763.37-14,861.75-8,676.81

Finding the Fourth Proportional to 10,763.37, 14,861.75 and 8,676.81

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Solution

The fourth proportional to 10,763.37, 14,861.75 and 8,676.81 is: 11,980.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,763.37 : 14,861.75 = 8,676.81 : x
  2. Step 2: Convert to fraction form
    10,763.37/14,861.75 = 8,676.81/x
  3. Step 3: Cross multiply
    10,763.37x = 14,861.75 × 8,676.81
  4. Step 4: Simplify right side
    10,763.37x = 128,952,537.63
  5. Step 5: Solve for x
    x = 128,952,537.63/10,763.37
  6. Step 6: Final answer
    x = 11,980.68

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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.