Home / 13,935.49-20,903.25-4,074.55

Finding the Fourth Proportional to 13,935.49, 20,903.25 and 4,074.55

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Solution

The fourth proportional to 13,935.49, 20,903.25 and 4,074.55 is: 6,111.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.49 : 20,903.25 = 4,074.55 : x
  2. Step 2: Convert to fraction form
    13,935.49/20,903.25 = 4,074.55/x
  3. Step 3: Cross multiply
    13,935.49x = 20,903.25 × 4,074.55
  4. Step 4: Simplify right side
    13,935.49x = 85,171,337.29
  5. Step 5: Solve for x
    x = 85,171,337.29/13,935.49
  6. Step 6: Final answer
    x = 6,111.83

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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.