Home / 12,526.60-18,787.94-5,505.06

Finding the Fourth Proportional to 12,526.60, 18,787.94 and 5,505.06

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Solution

The fourth proportional to 12,526.60, 18,787.94 and 5,505.06 is: 8,256.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.60 : 18,787.94 = 5,505.06 : x
  2. Step 2: Convert to fraction form
    12,526.60/18,787.94 = 5,505.06/x
  3. Step 3: Cross multiply
    12,526.60x = 18,787.94 × 5,505.06
  4. Step 4: Simplify right side
    12,526.60x = 103,428,736.98
  5. Step 5: Solve for x
    x = 103,428,736.98/12,526.60
  6. Step 6: Final answer
    x = 8,256.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.