Home / 13,348.37-20,034.69-7,113.71

Finding the Fourth Proportional to 13,348.37, 20,034.69 and 7,113.71

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Solution

The fourth proportional to 13,348.37, 20,034.69 and 7,113.71 is: 10,677.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.37 : 20,034.69 = 7,113.71 : x
  2. Step 2: Convert to fraction form
    13,348.37/20,034.69 = 7,113.71/x
  3. Step 3: Cross multiply
    13,348.37x = 20,034.69 × 7,113.71
  4. Step 4: Simplify right side
    13,348.37x = 142,520,998.01
  5. Step 5: Solve for x
    x = 142,520,998.01/13,348.37
  6. Step 6: Final answer
    x = 10,677.03

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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.