Home / 22,236.60-30,686.38-12,676.06

Finding the Fourth Proportional to 22,236.60, 30,686.38 and 12,676.06

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Solution

The fourth proportional to 22,236.60, 30,686.38 and 12,676.06 is: 17,492.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.60 : 30,686.38 = 12,676.06 : x
  2. Step 2: Convert to fraction form
    22,236.60/30,686.38 = 12,676.06/x
  3. Step 3: Cross multiply
    22,236.60x = 30,686.38 × 12,676.06
  4. Step 4: Simplify right side
    22,236.60x = 388,982,394.06
  5. Step 5: Solve for x
    x = 388,982,394.06/22,236.60
  6. Step 6: Final answer
    x = 17,492.89

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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.