Home / 13,541.18-20,296.22-8,477.64

Finding the Fourth Proportional to 13,541.18, 20,296.22 and 8,477.64

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Solution

The fourth proportional to 13,541.18, 20,296.22 and 8,477.64 is: 12,706.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.18 : 20,296.22 = 8,477.64 : x
  2. Step 2: Convert to fraction form
    13,541.18/20,296.22 = 8,477.64/x
  3. Step 3: Cross multiply
    13,541.18x = 20,296.22 × 8,477.64
  4. Step 4: Simplify right side
    13,541.18x = 172,064,004.13
  5. Step 5: Solve for x
    x = 172,064,004.13/13,541.18
  6. Step 6: Final answer
    x = 12,706.73

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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.