Home / 13,935.92-19,235.25-8,627.72

Finding the Fourth Proportional to 13,935.92, 19,235.25 and 8,627.72

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Solution

The fourth proportional to 13,935.92, 19,235.25 and 8,627.72 is: 11,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.92 : 19,235.25 = 8,627.72 : x
  2. Step 2: Convert to fraction form
    13,935.92/19,235.25 = 8,627.72/x
  3. Step 3: Cross multiply
    13,935.92x = 19,235.25 × 8,627.72
  4. Step 4: Simplify right side
    13,935.92x = 165,956,254.95
  5. Step 5: Solve for x
    x = 165,956,254.95/13,935.92
  6. Step 6: Final answer
    x = 11,908.53

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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.