Home / 13,543.84-20,316.66-5,223.94

Finding the Fourth Proportional to 13,543.84, 20,316.66 and 5,223.94

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Solution

The fourth proportional to 13,543.84, 20,316.66 and 5,223.94 is: 7,836.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543.84 : 20,316.66 = 5,223.94 : x
  2. Step 2: Convert to fraction form
    13,543.84/20,316.66 = 5,223.94/x
  3. Step 3: Cross multiply
    13,543.84x = 20,316.66 × 5,223.94
  4. Step 4: Simplify right side
    13,543.84x = 106,133,012.84
  5. Step 5: Solve for x
    x = 106,133,012.84/13,543.84
  6. Step 6: Final answer
    x = 7,836.26

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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.