Home / 15,553.42-21,464.73-8,836.49

Finding the Fourth Proportional to 15,553.42, 21,464.73 and 8,836.49

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Solution

The fourth proportional to 15,553.42, 21,464.73 and 8,836.49 is: 12,194.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.42 : 21,464.73 = 8,836.49 : x
  2. Step 2: Convert to fraction form
    15,553.42/21,464.73 = 8,836.49/x
  3. Step 3: Cross multiply
    15,553.42x = 21,464.73 × 8,836.49
  4. Step 4: Simplify right side
    15,553.42x = 189,672,925.66
  5. Step 5: Solve for x
    x = 189,672,925.66/15,553.42
  6. Step 6: Final answer
    x = 12,194.94

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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.