Home / 9,840.06-13,673.30-9,715.86

Finding the Fourth Proportional to 9,840.06, 13,673.30 and 9,715.86

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Solution

The fourth proportional to 9,840.06, 13,673.30 and 9,715.86 is: 13,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.06 : 13,673.30 = 9,715.86 : x
  2. Step 2: Convert to fraction form
    9,840.06/13,673.30 = 9,715.86/x
  3. Step 3: Cross multiply
    9,840.06x = 13,673.30 × 9,715.86
  4. Step 4: Simplify right side
    9,840.06x = 132,847,819.96
  5. Step 5: Solve for x
    x = 132,847,819.96/9,840.06
  6. Step 6: Final answer
    x = 13,500.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.