Home / 13,507.38-20,263.46-4,620.63

Finding the Fourth Proportional to 13,507.38, 20,263.46 and 4,620.63

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Solution

The fourth proportional to 13,507.38, 20,263.46 and 4,620.63 is: 6,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507.38 : 20,263.46 = 4,620.63 : x
  2. Step 2: Convert to fraction form
    13,507.38/20,263.46 = 4,620.63/x
  3. Step 3: Cross multiply
    13,507.38x = 20,263.46 × 4,620.63
  4. Step 4: Simplify right side
    13,507.38x = 93,629,951.18
  5. Step 5: Solve for x
    x = 93,629,951.18/13,507.38
  6. Step 6: Final answer
    x = 6,931.76

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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.