Home / 13,835.58-19,095.45-8,171.76

Finding the Fourth Proportional to 13,835.58, 19,095.45 and 8,171.76

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Solution

The fourth proportional to 13,835.58, 19,095.45 and 8,171.76 is: 11,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.58 : 19,095.45 = 8,171.76 : x
  2. Step 2: Convert to fraction form
    13,835.58/19,095.45 = 8,171.76/x
  3. Step 3: Cross multiply
    13,835.58x = 19,095.45 × 8,171.76
  4. Step 4: Simplify right side
    13,835.58x = 156,043,434.49
  5. Step 5: Solve for x
    x = 156,043,434.49/13,835.58
  6. Step 6: Final answer
    x = 11,278.42

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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.