Home / 11,690.80-17,543.87-4,295.32

Finding the Fourth Proportional to 11,690.80, 17,543.87 and 4,295.32

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Solution

The fourth proportional to 11,690.80, 17,543.87 and 4,295.32 is: 6,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.80 : 17,543.87 = 4,295.32 : x
  2. Step 2: Convert to fraction form
    11,690.80/17,543.87 = 4,295.32/x
  3. Step 3: Cross multiply
    11,690.80x = 17,543.87 × 4,295.32
  4. Step 4: Simplify right side
    11,690.80x = 75,356,535.69
  5. Step 5: Solve for x
    x = 75,356,535.69/11,690.80
  6. Step 6: Final answer
    x = 6,445.80

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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.