Home / 12,962.10-17,883.27-8,490.90

Finding the Fourth Proportional to 12,962.10, 17,883.27 and 8,490.90

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Solution

The fourth proportional to 12,962.10, 17,883.27 and 8,490.90 is: 11,714.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.10 : 17,883.27 = 8,490.90 : x
  2. Step 2: Convert to fraction form
    12,962.10/17,883.27 = 8,490.90/x
  3. Step 3: Cross multiply
    12,962.10x = 17,883.27 × 8,490.90
  4. Step 4: Simplify right side
    12,962.10x = 151,845,057.24
  5. Step 5: Solve for x
    x = 151,845,057.24/12,962.10
  6. Step 6: Final answer
    x = 11,714.54

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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.