Home / 13,056.90-19,581.39-3,696.18

Finding the Fourth Proportional to 13,056.90, 19,581.39 and 3,696.18

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Solution

The fourth proportional to 13,056.90, 19,581.39 and 3,696.18 is: 5,543.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.90 : 19,581.39 = 3,696.18 : x
  2. Step 2: Convert to fraction form
    13,056.90/19,581.39 = 3,696.18/x
  3. Step 3: Cross multiply
    13,056.90x = 19,581.39 × 3,696.18
  4. Step 4: Simplify right side
    13,056.90x = 72,376,342.09
  5. Step 5: Solve for x
    x = 72,376,342.09/13,056.90
  6. Step 6: Final answer
    x = 5,543.15

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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.