Home / 11,320.56-15,621.26-6,283.58

Finding the Fourth Proportional to 11,320.56, 15,621.26 and 6,283.58

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Solution

The fourth proportional to 11,320.56, 15,621.26 and 6,283.58 is: 8,670.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.56 : 15,621.26 = 6,283.58 : x
  2. Step 2: Convert to fraction form
    11,320.56/15,621.26 = 6,283.58/x
  3. Step 3: Cross multiply
    11,320.56x = 15,621.26 × 6,283.58
  4. Step 4: Simplify right side
    11,320.56x = 98,157,327.39
  5. Step 5: Solve for x
    x = 98,157,327.39/11,320.56
  6. Step 6: Final answer
    x = 8,670.71

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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.