Home / 13,483.55-20,223.16-5,691.35

Finding the Fourth Proportional to 13,483.55, 20,223.16 and 5,691.35

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Solution

The fourth proportional to 13,483.55, 20,223.16 and 5,691.35 is: 8,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.55 : 20,223.16 = 5,691.35 : x
  2. Step 2: Convert to fraction form
    13,483.55/20,223.16 = 5,691.35/x
  3. Step 3: Cross multiply
    13,483.55x = 20,223.16 × 5,691.35
  4. Step 4: Simplify right side
    13,483.55x = 115,096,966.32
  5. Step 5: Solve for x
    x = 115,096,966.32/13,483.55
  6. Step 6: Final answer
    x = 8,536.11

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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.