Home / 11,417.80-17,093.89-8,436.19

Finding the Fourth Proportional to 11,417.80, 17,093.89 and 8,436.19

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Solution

The fourth proportional to 11,417.80, 17,093.89 and 8,436.19 is: 12,630.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,417.80 : 17,093.89 = 8,436.19 : x
  2. Step 2: Convert to fraction form
    11,417.80/17,093.89 = 8,436.19/x
  3. Step 3: Cross multiply
    11,417.80x = 17,093.89 × 8,436.19
  4. Step 4: Simplify right side
    11,417.80x = 144,207,176.23
  5. Step 5: Solve for x
    x = 144,207,176.23/11,417.80
  6. Step 6: Final answer
    x = 12,630.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.