Home / 11,352.64-15,667.36-6,384.96

Finding the Fourth Proportional to 11,352.64, 15,667.36 and 6,384.96

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Solution

The fourth proportional to 11,352.64, 15,667.36 and 6,384.96 is: 8,811.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.64 : 15,667.36 = 6,384.96 : x
  2. Step 2: Convert to fraction form
    11,352.64/15,667.36 = 6,384.96/x
  3. Step 3: Cross multiply
    11,352.64x = 15,667.36 × 6,384.96
  4. Step 4: Simplify right side
    11,352.64x = 100,035,466.91
  5. Step 5: Solve for x
    x = 100,035,466.91/11,352.64
  6. Step 6: Final answer
    x = 8,811.65

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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.