Home / 13,655.28-20,492.04-5,865.96

Finding the Fourth Proportional to 13,655.28, 20,492.04 and 5,865.96

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Solution

The fourth proportional to 13,655.28, 20,492.04 and 5,865.96 is: 8,802.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.28 : 20,492.04 = 5,865.96 : x
  2. Step 2: Convert to fraction form
    13,655.28/20,492.04 = 5,865.96/x
  3. Step 3: Cross multiply
    13,655.28x = 20,492.04 × 5,865.96
  4. Step 4: Simplify right side
    13,655.28x = 120,205,486.96
  5. Step 5: Solve for x
    x = 120,205,486.96/13,655.28
  6. Step 6: Final answer
    x = 8,802.86

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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.