Home / 10,306.56-15,416.47-9,558.73

Finding the Fourth Proportional to 10,306.56, 15,416.47 and 9,558.73

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Solution

The fourth proportional to 10,306.56, 15,416.47 and 9,558.73 is: 14,297.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.56 : 15,416.47 = 9,558.73 : x
  2. Step 2: Convert to fraction form
    10,306.56/15,416.47 = 9,558.73/x
  3. Step 3: Cross multiply
    10,306.56x = 15,416.47 × 9,558.73
  4. Step 4: Simplify right side
    10,306.56x = 147,361,874.28
  5. Step 5: Solve for x
    x = 147,361,874.28/10,306.56
  6. Step 6: Final answer
    x = 14,297.87

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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.