Home / 10,256.46-14,153.58-6,481.65

Finding the Fourth Proportional to 10,256.46, 14,153.58 and 6,481.65

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Solution

The fourth proportional to 10,256.46, 14,153.58 and 6,481.65 is: 8,944.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.46 : 14,153.58 = 6,481.65 : x
  2. Step 2: Convert to fraction form
    10,256.46/14,153.58 = 6,481.65/x
  3. Step 3: Cross multiply
    10,256.46x = 14,153.58 × 6,481.65
  4. Step 4: Simplify right side
    10,256.46x = 91,738,551.81
  5. Step 5: Solve for x
    x = 91,738,551.81/10,256.46
  6. Step 6: Final answer
    x = 8,944.47

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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.