Home / 10,621.56-14,659.62-6,144.60

Finding the Fourth Proportional to 10,621.56, 14,659.62 and 6,144.60

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Solution

The fourth proportional to 10,621.56, 14,659.62 and 6,144.60 is: 8,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.56 : 14,659.62 = 6,144.60 : x
  2. Step 2: Convert to fraction form
    10,621.56/14,659.62 = 6,144.60/x
  3. Step 3: Cross multiply
    10,621.56x = 14,659.62 × 6,144.60
  4. Step 4: Simplify right side
    10,621.56x = 90,077,501.05
  5. Step 5: Solve for x
    x = 90,077,501.05/10,621.56
  6. Step 6: Final answer
    x = 8,480.63

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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.