Home / 10,273.76-14,169.84-6,688.16

Finding the Fourth Proportional to 10,273.76, 14,169.84 and 6,688.16

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Solution

The fourth proportional to 10,273.76, 14,169.84 and 6,688.16 is: 9,224.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,273.76 : 14,169.84 = 6,688.16 : x
  2. Step 2: Convert to fraction form
    10,273.76/14,169.84 = 6,688.16/x
  3. Step 3: Cross multiply
    10,273.76x = 14,169.84 × 6,688.16
  4. Step 4: Simplify right side
    10,273.76x = 94,770,157.09
  5. Step 5: Solve for x
    x = 94,770,157.09/10,273.76
  6. Step 6: Final answer
    x = 9,224.49

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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.