Home / 11,910.60-16,437.64-6,607.13

Finding the Fourth Proportional to 11,910.60, 16,437.64 and 6,607.13

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Solution

The fourth proportional to 11,910.60, 16,437.64 and 6,607.13 is: 9,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.60 : 16,437.64 = 6,607.13 : x
  2. Step 2: Convert to fraction form
    11,910.60/16,437.64 = 6,607.13/x
  3. Step 3: Cross multiply
    11,910.60x = 16,437.64 × 6,607.13
  4. Step 4: Simplify right side
    11,910.60x = 108,605,525.67
  5. Step 5: Solve for x
    x = 108,605,525.67/11,910.60
  6. Step 6: Final answer
    x = 9,118.39

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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.