Home / 11,352.32-15,667.84-6,877.92

Finding the Fourth Proportional to 11,352.32, 15,667.84 and 6,877.92

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Solution

The fourth proportional to 11,352.32, 15,667.84 and 6,877.92 is: 9,492.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.32 : 15,667.84 = 6,877.92 : x
  2. Step 2: Convert to fraction form
    11,352.32/15,667.84 = 6,877.92/x
  3. Step 3: Cross multiply
    11,352.32x = 15,667.84 × 6,877.92
  4. Step 4: Simplify right side
    11,352.32x = 107,762,150.09
  5. Step 5: Solve for x
    x = 107,762,150.09/11,352.32
  6. Step 6: Final answer
    x = 9,492.52

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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.