Home / 11,677.85-16,117.62-7,314.19

Finding the Fourth Proportional to 11,677.85, 16,117.62 and 7,314.19

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Solution

The fourth proportional to 11,677.85, 16,117.62 and 7,314.19 is: 10,094.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.85 : 16,117.62 = 7,314.19 : x
  2. Step 2: Convert to fraction form
    11,677.85/16,117.62 = 7,314.19/x
  3. Step 3: Cross multiply
    11,677.85x = 16,117.62 × 7,314.19
  4. Step 4: Simplify right side
    11,677.85x = 117,887,327.75
  5. Step 5: Solve for x
    x = 117,887,327.75/11,677.85
  6. Step 6: Final answer
    x = 10,094.96

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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.