Home / 22,349.16-30,840.44-12,275.64

Finding the Fourth Proportional to 22,349.16, 30,840.44 and 12,275.64

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Solution

The fourth proportional to 22,349.16, 30,840.44 and 12,275.64 is: 16,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,349.16 : 30,840.44 = 12,275.64 : x
  2. Step 2: Convert to fraction form
    22,349.16/30,840.44 = 12,275.64/x
  3. Step 3: Cross multiply
    22,349.16x = 30,840.44 × 12,275.64
  4. Step 4: Simplify right side
    22,349.16x = 378,586,138.88
  5. Step 5: Solve for x
    x = 378,586,138.88/22,349.16
  6. Step 6: Final answer
    x = 16,939.61

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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.