Home / 13,095.46-18,082.64-12,145.72

Finding the Fourth Proportional to 13,095.46, 18,082.64 and 12,145.72

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Solution

The fourth proportional to 13,095.46, 18,082.64 and 12,145.72 is: 16,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.46 : 18,082.64 = 12,145.72 : x
  2. Step 2: Convert to fraction form
    13,095.46/18,082.64 = 12,145.72/x
  3. Step 3: Cross multiply
    13,095.46x = 18,082.64 × 12,145.72
  4. Step 4: Simplify right side
    13,095.46x = 219,626,682.30
  5. Step 5: Solve for x
    x = 219,626,682.30/13,095.46
  6. Step 6: Final answer
    x = 16,771.21

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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.