Home / 13,135.59-19,696.05-4,365.72

Finding the Fourth Proportional to 13,135.59, 19,696.05 and 4,365.72

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Solution

The fourth proportional to 13,135.59, 19,696.05 and 4,365.72 is: 6,546.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135.59 : 19,696.05 = 4,365.72 : x
  2. Step 2: Convert to fraction form
    13,135.59/19,696.05 = 4,365.72/x
  3. Step 3: Cross multiply
    13,135.59x = 19,696.05 × 4,365.72
  4. Step 4: Simplify right side
    13,135.59x = 85,987,439.41
  5. Step 5: Solve for x
    x = 85,987,439.41/13,135.59
  6. Step 6: Final answer
    x = 6,546.14

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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.