Home / 14,614.72-20,170.08-8,328.64

Finding the Fourth Proportional to 14,614.72, 20,170.08 and 8,328.64

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Solution

The fourth proportional to 14,614.72, 20,170.08 and 8,328.64 is: 11,494.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.72 : 20,170.08 = 8,328.64 : x
  2. Step 2: Convert to fraction form
    14,614.72/20,170.08 = 8,328.64/x
  3. Step 3: Cross multiply
    14,614.72x = 20,170.08 × 8,328.64
  4. Step 4: Simplify right side
    14,614.72x = 167,989,335.09
  5. Step 5: Solve for x
    x = 167,989,335.09/14,614.72
  6. Step 6: Final answer
    x = 11,494.53

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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.