Home / 13,977.47-19,278.83-8,006.96

Finding the Fourth Proportional to 13,977.47, 19,278.83 and 8,006.96

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Solution

The fourth proportional to 13,977.47, 19,278.83 and 8,006.96 is: 11,043.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.47 : 19,278.83 = 8,006.96 : x
  2. Step 2: Convert to fraction form
    13,977.47/19,278.83 = 8,006.96/x
  3. Step 3: Cross multiply
    13,977.47x = 19,278.83 × 8,006.96
  4. Step 4: Simplify right side
    13,977.47x = 154,364,684.23
  5. Step 5: Solve for x
    x = 154,364,684.23/13,977.47
  6. Step 6: Final answer
    x = 11,043.83

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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.