Home / 11,590.17-17,385.99-4,477.80

Finding the Fourth Proportional to 11,590.17, 17,385.99 and 4,477.80

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Solution

The fourth proportional to 11,590.17, 17,385.99 and 4,477.80 is: 6,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,590.17 : 17,385.99 = 4,477.80 : x
  2. Step 2: Convert to fraction form
    11,590.17/17,385.99 = 4,477.80/x
  3. Step 3: Cross multiply
    11,590.17x = 17,385.99 × 4,477.80
  4. Step 4: Simplify right side
    11,590.17x = 77,850,986.02
  5. Step 5: Solve for x
    x = 77,850,986.02/11,590.17
  6. Step 6: Final answer
    x = 6,716.98

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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.