Home / 13,402.46-20,104.65-3,541.64

Finding the Fourth Proportional to 13,402.46, 20,104.65 and 3,541.64

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Solution

The fourth proportional to 13,402.46, 20,104.65 and 3,541.64 is: 5,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402.46 : 20,104.65 = 3,541.64 : x
  2. Step 2: Convert to fraction form
    13,402.46/20,104.65 = 3,541.64/x
  3. Step 3: Cross multiply
    13,402.46x = 20,104.65 × 3,541.64
  4. Step 4: Simplify right side
    13,402.46x = 71,203,432.63
  5. Step 5: Solve for x
    x = 71,203,432.63/13,402.46
  6. Step 6: Final answer
    x = 5,312.71

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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.