Home / 11,346.75-15,658.65-6,311.34

Finding the Fourth Proportional to 11,346.75, 15,658.65 and 6,311.34

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Solution

The fourth proportional to 11,346.75, 15,658.65 and 6,311.34 is: 8,709.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.75 : 15,658.65 = 6,311.34 : x
  2. Step 2: Convert to fraction form
    11,346.75/15,658.65 = 6,311.34/x
  3. Step 3: Cross multiply
    11,346.75x = 15,658.65 × 6,311.34
  4. Step 4: Simplify right side
    11,346.75x = 98,827,064.09
  5. Step 5: Solve for x
    x = 98,827,064.09/11,346.75
  6. Step 6: Final answer
    x = 8,709.72

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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.