Home / 13,025.86-19,538.75-3,165.13

Finding the Fourth Proportional to 13,025.86, 19,538.75 and 3,165.13

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Solution

The fourth proportional to 13,025.86, 19,538.75 and 3,165.13 is: 4,747.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.86 : 19,538.75 = 3,165.13 : x
  2. Step 2: Convert to fraction form
    13,025.86/19,538.75 = 3,165.13/x
  3. Step 3: Cross multiply
    13,025.86x = 19,538.75 × 3,165.13
  4. Step 4: Simplify right side
    13,025.86x = 61,842,683.79
  5. Step 5: Solve for x
    x = 61,842,683.79/13,025.86
  6. Step 6: Final answer
    x = 4,747.69

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Similar ratio
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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.