Home / 15,052.53-20,768.26-9,002.04

Finding the Fourth Proportional to 15,052.53, 20,768.26 and 9,002.04

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Solution

The fourth proportional to 15,052.53, 20,768.26 and 9,002.04 is: 12,420.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,052.53 : 20,768.26 = 9,002.04 : x
  2. Step 2: Convert to fraction form
    15,052.53/20,768.26 = 9,002.04/x
  3. Step 3: Cross multiply
    15,052.53x = 20,768.26 × 9,002.04
  4. Step 4: Simplify right side
    15,052.53x = 186,956,707.25
  5. Step 5: Solve for x
    x = 186,956,707.25/15,052.53
  6. Step 6: Final answer
    x = 12,420.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.