Home / 11,430.09-17,145.50-4,039.65

Finding the Fourth Proportional to 11,430.09, 17,145.50 and 4,039.65

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Solution

The fourth proportional to 11,430.09, 17,145.50 and 4,039.65 is: 6,059.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.09 : 17,145.50 = 4,039.65 : x
  2. Step 2: Convert to fraction form
    11,430.09/17,145.50 = 4,039.65/x
  3. Step 3: Cross multiply
    11,430.09x = 17,145.50 × 4,039.65
  4. Step 4: Simplify right side
    11,430.09x = 69,261,798.88
  5. Step 5: Solve for x
    x = 69,261,798.88/11,430.09
  6. Step 6: Final answer
    x = 6,059.60

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Double scale
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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.