Home / 11,877.02-16,389.60-6,571.57

Finding the Fourth Proportional to 11,877.02, 16,389.60 and 6,571.57

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Solution

The fourth proportional to 11,877.02, 16,389.60 and 6,571.57 is: 9,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877.02 : 16,389.60 = 6,571.57 : x
  2. Step 2: Convert to fraction form
    11,877.02/16,389.60 = 6,571.57/x
  3. Step 3: Cross multiply
    11,877.02x = 16,389.60 × 6,571.57
  4. Step 4: Simplify right side
    11,877.02x = 107,705,403.67
  5. Step 5: Solve for x
    x = 107,705,403.67/11,877.02
  6. Step 6: Final answer
    x = 9,068.39

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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.