Home / 10,491.42-14,476.32-6,299.76

Finding the Fourth Proportional to 10,491.42, 14,476.32 and 6,299.76

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Solution

The fourth proportional to 10,491.42, 14,476.32 and 6,299.76 is: 8,692.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.42 : 14,476.32 = 6,299.76 : x
  2. Step 2: Convert to fraction form
    10,491.42/14,476.32 = 6,299.76/x
  3. Step 3: Cross multiply
    10,491.42x = 14,476.32 × 6,299.76
  4. Step 4: Simplify right side
    10,491.42x = 91,197,341.68
  5. Step 5: Solve for x
    x = 91,197,341.68/10,491.42
  6. Step 6: Final answer
    x = 8,692.56

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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.