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Finding the Fourth Proportional to 13,952.53, 20,902.06 and 13,483.54

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Solution

The fourth proportional to 13,952.53, 20,902.06 and 13,483.54 is: 20,199.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.53 : 20,902.06 = 13,483.54 : x
  2. Step 2: Convert to fraction form
    13,952.53/20,902.06 = 13,483.54/x
  3. Step 3: Cross multiply
    13,952.53x = 20,902.06 × 13,483.54
  4. Step 4: Simplify right side
    13,952.53x = 281,833,590.16
  5. Step 5: Solve for x
    x = 281,833,590.16/13,952.53
  6. Step 6: Final answer
    x = 20,199.47

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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.