Home / 11,730.60-16,187.34-6,625.80

Finding the Fourth Proportional to 11,730.60, 16,187.34 and 6,625.80

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Solution

The fourth proportional to 11,730.60, 16,187.34 and 6,625.80 is: 9,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.60 : 16,187.34 = 6,625.80 : x
  2. Step 2: Convert to fraction form
    11,730.60/16,187.34 = 6,625.80/x
  3. Step 3: Cross multiply
    11,730.60x = 16,187.34 × 6,625.80
  4. Step 4: Simplify right side
    11,730.60x = 107,254,077.37
  5. Step 5: Solve for x
    x = 107,254,077.37/11,730.60
  6. Step 6: Final answer
    x = 9,143.10

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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.