Home / 11,590.90-15,995.42-6,285.72

Finding the Fourth Proportional to 11,590.90, 15,995.42 and 6,285.72

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Solution

The fourth proportional to 11,590.90, 15,995.42 and 6,285.72 is: 8,674.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,590.90 : 15,995.42 = 6,285.72 : x
  2. Step 2: Convert to fraction form
    11,590.90/15,995.42 = 6,285.72/x
  3. Step 3: Cross multiply
    11,590.90x = 15,995.42 × 6,285.72
  4. Step 4: Simplify right side
    11,590.90x = 100,542,731.40
  5. Step 5: Solve for x
    x = 100,542,731.40/11,590.90
  6. Step 6: Final answer
    x = 8,674.28

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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.