Home / 10,839.09-14,958.29-6,123.67

Finding the Fourth Proportional to 10,839.09, 14,958.29 and 6,123.67

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Solution

The fourth proportional to 10,839.09, 14,958.29 and 6,123.67 is: 8,450.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.09 : 14,958.29 = 6,123.67 : x
  2. Step 2: Convert to fraction form
    10,839.09/14,958.29 = 6,123.67/x
  3. Step 3: Cross multiply
    10,839.09x = 14,958.29 × 6,123.67
  4. Step 4: Simplify right side
    10,839.09x = 91,599,631.72
  5. Step 5: Solve for x
    x = 91,599,631.72/10,839.09
  6. Step 6: Final answer
    x = 8,450.86

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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.