Home / 15,676.37-21,633.36-8,962.13

Finding the Fourth Proportional to 15,676.37, 21,633.36 and 8,962.13

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Solution

The fourth proportional to 15,676.37, 21,633.36 and 8,962.13 is: 12,367.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,676.37 : 21,633.36 = 8,962.13 : x
  2. Step 2: Convert to fraction form
    15,676.37/21,633.36 = 8,962.13/x
  3. Step 3: Cross multiply
    15,676.37x = 21,633.36 × 8,962.13
  4. Step 4: Simplify right side
    15,676.37x = 193,880,876.49
  5. Step 5: Solve for x
    x = 193,880,876.49/15,676.37
  6. Step 6: Final answer
    x = 12,367.72

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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.