Home / 12,325.90-18,490.70-4,534.12

Finding the Fourth Proportional to 12,325.90, 18,490.70 and 4,534.12

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Solution

The fourth proportional to 12,325.90, 18,490.70 and 4,534.12 is: 6,801.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.90 : 18,490.70 = 4,534.12 : x
  2. Step 2: Convert to fraction form
    12,325.90/18,490.70 = 4,534.12/x
  3. Step 3: Cross multiply
    12,325.90x = 18,490.70 × 4,534.12
  4. Step 4: Simplify right side
    12,325.90x = 83,839,052.68
  5. Step 5: Solve for x
    x = 83,839,052.68/12,325.90
  6. Step 6: Final answer
    x = 6,801.86

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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.