Home / 11,590.97-15,995.40-6,285.78

Finding the Fourth Proportional to 11,590.97, 15,995.40 and 6,285.78

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Solution

The fourth proportional to 11,590.97, 15,995.40 and 6,285.78 is: 8,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,590.97 : 15,995.40 = 6,285.78 : x
  2. Step 2: Convert to fraction form
    11,590.97/15,995.40 = 6,285.78/x
  3. Step 3: Cross multiply
    11,590.97x = 15,995.40 × 6,285.78
  4. Step 4: Simplify right side
    11,590.97x = 100,543,565.41
  5. Step 5: Solve for x
    x = 100,543,565.41/11,590.97
  6. Step 6: Final answer
    x = 8,674.30

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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.