Home / 9,112.86-13,619.36-6,652.86

Finding the Fourth Proportional to 9,112.86, 13,619.36 and 6,652.86

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Solution

The fourth proportional to 9,112.86, 13,619.36 and 6,652.86 is: 9,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.86 : 13,619.36 = 6,652.86 : x
  2. Step 2: Convert to fraction form
    9,112.86/13,619.36 = 6,652.86/x
  3. Step 3: Cross multiply
    9,112.86x = 13,619.36 × 6,652.86
  4. Step 4: Simplify right side
    9,112.86x = 90,607,670.42
  5. Step 5: Solve for x
    x = 90,607,670.42/9,112.86
  6. Step 6: Final answer
    x = 9,942.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.