Home / 17,515.86-24,172.11-9,558.30

Finding the Fourth Proportional to 17,515.86, 24,172.11 and 9,558.30

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Solution

The fourth proportional to 17,515.86, 24,172.11 and 9,558.30 is: 13,190.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.86 : 24,172.11 = 9,558.30 : x
  2. Step 2: Convert to fraction form
    17,515.86/24,172.11 = 9,558.30/x
  3. Step 3: Cross multiply
    17,515.86x = 24,172.11 × 9,558.30
  4. Step 4: Simplify right side
    17,515.86x = 231,044,279.01
  5. Step 5: Solve for x
    x = 231,044,279.01/17,515.86
  6. Step 6: Final answer
    x = 13,190.58

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1.5x scale

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.