Home / 10,426.32-14,388.84-6,449.49

Finding the Fourth Proportional to 10,426.32, 14,388.84 and 6,449.49

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Solution

The fourth proportional to 10,426.32, 14,388.84 and 6,449.49 is: 8,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.32 : 14,388.84 = 6,449.49 : x
  2. Step 2: Convert to fraction form
    10,426.32/14,388.84 = 6,449.49/x
  3. Step 3: Cross multiply
    10,426.32x = 14,388.84 × 6,449.49
  4. Step 4: Simplify right side
    10,426.32x = 92,800,679.69
  5. Step 5: Solve for x
    x = 92,800,679.69/10,426.32
  6. Step 6: Final answer
    x = 8,900.62

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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.