Home / 10,388.53-14,336.69-5,912.70

Finding the Fourth Proportional to 10,388.53, 14,336.69 and 5,912.70

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Solution

The fourth proportional to 10,388.53, 14,336.69 and 5,912.70 is: 8,159.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.53 : 14,336.69 = 5,912.70 : x
  2. Step 2: Convert to fraction form
    10,388.53/14,336.69 = 5,912.70/x
  3. Step 3: Cross multiply
    10,388.53x = 14,336.69 × 5,912.70
  4. Step 4: Simplify right side
    10,388.53x = 84,768,546.96
  5. Step 5: Solve for x
    x = 84,768,546.96/10,388.53
  6. Step 6: Final answer
    x = 8,159.82

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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.