Home / 13,130.61-19,695.96-3,269.87

Finding the Fourth Proportional to 13,130.61, 19,695.96 and 3,269.87

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Solution

The fourth proportional to 13,130.61, 19,695.96 and 3,269.87 is: 4,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130.61 : 19,695.96 = 3,269.87 : x
  2. Step 2: Convert to fraction form
    13,130.61/19,695.96 = 3,269.87/x
  3. Step 3: Cross multiply
    13,130.61x = 19,695.96 × 3,269.87
  4. Step 4: Simplify right side
    13,130.61x = 64,403,130.25
  5. Step 5: Solve for x
    x = 64,403,130.25/13,130.61
  6. Step 6: Final answer
    x = 4,904.81

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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.