Home / 10,604.88-14,634.96-6,128.76

Finding the Fourth Proportional to 10,604.88, 14,634.96 and 6,128.76

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Solution

The fourth proportional to 10,604.88, 14,634.96 and 6,128.76 is: 8,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.88 : 14,634.96 = 6,128.76 : x
  2. Step 2: Convert to fraction form
    10,604.88/14,634.96 = 6,128.76/x
  3. Step 3: Cross multiply
    10,604.88x = 14,634.96 × 6,128.76
  4. Step 4: Simplify right side
    10,604.88x = 89,694,157.45
  5. Step 5: Solve for x
    x = 89,694,157.45/10,604.88
  6. Step 6: Final answer
    x = 8,457.82

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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.