Home / 11,347.40-15,658.52-6,311.34

Finding the Fourth Proportional to 11,347.40, 15,658.52 and 6,311.34

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Solution

The fourth proportional to 11,347.40, 15,658.52 and 6,311.34 is: 8,709.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.40 : 15,658.52 = 6,311.34 : x
  2. Step 2: Convert to fraction form
    11,347.40/15,658.52 = 6,311.34/x
  3. Step 3: Cross multiply
    11,347.40x = 15,658.52 × 6,311.34
  4. Step 4: Simplify right side
    11,347.40x = 98,826,243.62
  5. Step 5: Solve for x
    x = 98,826,243.62/11,347.40
  6. Step 6: Final answer
    x = 8,709.15

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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.