Home / 14,615.07-20,175.20-9,316.86

Finding the Fourth Proportional to 14,615.07, 20,175.20 and 9,316.86

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Solution

The fourth proportional to 14,615.07, 20,175.20 and 9,316.86 is: 12,861.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.07 : 20,175.20 = 9,316.86 : x
  2. Step 2: Convert to fraction form
    14,615.07/20,175.20 = 9,316.86/x
  3. Step 3: Cross multiply
    14,615.07x = 20,175.20 × 9,316.86
  4. Step 4: Simplify right side
    14,615.07x = 187,969,467.29
  5. Step 5: Solve for x
    x = 187,969,467.29/14,615.07
  6. Step 6: Final answer
    x = 12,861.35

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Similar ratio
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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.