Home / 22,052.55-30,432.40-11,980.91

Finding the Fourth Proportional to 22,052.55, 30,432.40 and 11,980.91

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Solution

The fourth proportional to 22,052.55, 30,432.40 and 11,980.91 is: 16,533.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,052.55 : 30,432.40 = 11,980.91 : x
  2. Step 2: Convert to fraction form
    22,052.55/30,432.40 = 11,980.91/x
  3. Step 3: Cross multiply
    22,052.55x = 30,432.40 × 11,980.91
  4. Step 4: Simplify right side
    22,052.55x = 364,607,845.48
  5. Step 5: Solve for x
    x = 364,607,845.48/22,052.55
  6. Step 6: Final answer
    x = 16,533.59

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Similar ratio
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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.