Home / 11,385.80-17,077.26-3,595.40

Finding the Fourth Proportional to 11,385.80, 17,077.26 and 3,595.40

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Solution

The fourth proportional to 11,385.80, 17,077.26 and 3,595.40 is: 5,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,385.80 : 17,077.26 = 3,595.40 : x
  2. Step 2: Convert to fraction form
    11,385.80/17,077.26 = 3,595.40/x
  3. Step 3: Cross multiply
    11,385.80x = 17,077.26 × 3,595.40
  4. Step 4: Simplify right side
    11,385.80x = 61,399,580.60
  5. Step 5: Solve for x
    x = 61,399,580.60/11,385.80
  6. Step 6: Final answer
    x = 5,392.65

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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.