Home / 11,895.40-16,415.42-6,590.12

Finding the Fourth Proportional to 11,895.40, 16,415.42 and 6,590.12

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Solution

The fourth proportional to 11,895.40, 16,415.42 and 6,590.12 is: 9,094.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.40 : 16,415.42 = 6,590.12 : x
  2. Step 2: Convert to fraction form
    11,895.40/16,415.42 = 6,590.12/x
  3. Step 3: Cross multiply
    11,895.40x = 16,415.42 × 6,590.12
  4. Step 4: Simplify right side
    11,895.40x = 108,179,587.65
  5. Step 5: Solve for x
    x = 108,179,587.65/11,895.40
  6. Step 6: Final answer
    x = 9,094.24

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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.