Home / 11,347.32-15,658.38-6,311.55

Finding the Fourth Proportional to 11,347.32, 15,658.38 and 6,311.55

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Solution

The fourth proportional to 11,347.32, 15,658.38 and 6,311.55 is: 8,709.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.32 : 15,658.38 = 6,311.55 : x
  2. Step 2: Convert to fraction form
    11,347.32/15,658.38 = 6,311.55/x
  3. Step 3: Cross multiply
    11,347.32x = 15,658.38 × 6,311.55
  4. Step 4: Simplify right side
    11,347.32x = 98,828,648.29
  5. Step 5: Solve for x
    x = 98,828,648.29/11,347.32
  6. Step 6: Final answer
    x = 8,709.43

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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.