Home / 8,481.02-11,669.40-6,962.99

Finding the Fourth Proportional to 8,481.02, 11,669.40 and 6,962.99

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Solution

The fourth proportional to 8,481.02, 11,669.40 and 6,962.99 is: 9,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.02 : 11,669.40 = 6,962.99 : x
  2. Step 2: Convert to fraction form
    8,481.02/11,669.40 = 6,962.99/x
  3. Step 3: Cross multiply
    8,481.02x = 11,669.40 × 6,962.99
  4. Step 4: Simplify right side
    8,481.02x = 81,253,915.51
  5. Step 5: Solve for x
    x = 81,253,915.51/8,481.02
  6. Step 6: Final answer
    x = 9,580.68

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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.