Home / 12,522.56-18,783.96-10,325.84

Finding the Fourth Proportional to 12,522.56, 18,783.96 and 10,325.84

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Solution

The fourth proportional to 12,522.56, 18,783.96 and 10,325.84 is: 15,488.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522.56 : 18,783.96 = 10,325.84 : x
  2. Step 2: Convert to fraction form
    12,522.56/18,783.96 = 10,325.84/x
  3. Step 3: Cross multiply
    12,522.56x = 18,783.96 × 10,325.84
  4. Step 4: Simplify right side
    12,522.56x = 193,960,165.53
  5. Step 5: Solve for x
    x = 193,960,165.53/12,522.56
  6. Step 6: Final answer
    x = 15,488.86

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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.