Home / 18,962.22-26,156.82-12,153.82

Finding the Fourth Proportional to 18,962.22, 26,156.82 and 12,153.82

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Solution

The fourth proportional to 18,962.22, 26,156.82 and 12,153.82 is: 16,765.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.22 : 26,156.82 = 12,153.82 : x
  2. Step 2: Convert to fraction form
    18,962.22/26,156.82 = 12,153.82/x
  3. Step 3: Cross multiply
    18,962.22x = 26,156.82 × 12,153.82
  4. Step 4: Simplify right side
    18,962.22x = 317,905,216.66
  5. Step 5: Solve for x
    x = 317,905,216.66/18,962.22
  6. Step 6: Final answer
    x = 16,765.19

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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.