Home / 10,320.21-15,472.10-4,472.73

Finding the Fourth Proportional to 10,320.21, 15,472.10 and 4,472.73

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Solution

The fourth proportional to 10,320.21, 15,472.10 and 4,472.73 is: 6,705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.21 : 15,472.10 = 4,472.73 : x
  2. Step 2: Convert to fraction form
    10,320.21/15,472.10 = 4,472.73/x
  3. Step 3: Cross multiply
    10,320.21x = 15,472.10 × 4,472.73
  4. Step 4: Simplify right side
    10,320.21x = 69,202,537.01
  5. Step 5: Solve for x
    x = 69,202,537.01/10,320.21
  6. Step 6: Final answer
    x = 6,705.54

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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.