Home / 11,775.02-16,249.89-6,470

Finding the Fourth Proportional to 11,775.02, 16,249.89 and 6,470

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Solution

The fourth proportional to 11,775.02, 16,249.89 and 6,470 is: 8,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.02 : 16,249.89 = 6,470 : x
  2. Step 2: Convert to fraction form
    11,775.02/16,249.89 = 6,470/x
  3. Step 3: Cross multiply
    11,775.02x = 16,249.89 × 6,470
  4. Step 4: Simplify right side
    11,775.02x = 105,136,788.30
  5. Step 5: Solve for x
    x = 105,136,788.30/11,775.02
  6. Step 6: Final answer
    x = 8,928.80

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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.