Home / 12,372.10-18,560.90-6,135.51

Finding the Fourth Proportional to 12,372.10, 18,560.90 and 6,135.51

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Solution

The fourth proportional to 12,372.10, 18,560.90 and 6,135.51 is: 9,204.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.10 : 18,560.90 = 6,135.51 : x
  2. Step 2: Convert to fraction form
    12,372.10/18,560.90 = 6,135.51/x
  3. Step 3: Cross multiply
    12,372.10x = 18,560.90 × 6,135.51
  4. Step 4: Simplify right side
    12,372.10x = 113,880,587.56
  5. Step 5: Solve for x
    x = 113,880,587.56/12,372.10
  6. Step 6: Final answer
    x = 9,204.63

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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.