Home / 13,475.38-18,596.24-7,733.78

Finding the Fourth Proportional to 13,475.38, 18,596.24 and 7,733.78

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Solution

The fourth proportional to 13,475.38, 18,596.24 and 7,733.78 is: 10,672.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.38 : 18,596.24 = 7,733.78 : x
  2. Step 2: Convert to fraction form
    13,475.38/18,596.24 = 7,733.78/x
  3. Step 3: Cross multiply
    13,475.38x = 18,596.24 × 7,733.78
  4. Step 4: Simplify right side
    13,475.38x = 143,819,228.99
  5. Step 5: Solve for x
    x = 143,819,228.99/13,475.38
  6. Step 6: Final answer
    x = 10,672.74

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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.