Home / 14,139.64-19,511.04-8,473.69

Finding the Fourth Proportional to 14,139.64, 19,511.04 and 8,473.69

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Solution

The fourth proportional to 14,139.64, 19,511.04 and 8,473.69 is: 11,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139.64 : 19,511.04 = 8,473.69 : x
  2. Step 2: Convert to fraction form
    14,139.64/19,511.04 = 8,473.69/x
  3. Step 3: Cross multiply
    14,139.64x = 19,511.04 × 8,473.69
  4. Step 4: Simplify right side
    14,139.64x = 165,330,504.54
  5. Step 5: Solve for x
    x = 165,330,504.54/14,139.64
  6. Step 6: Final answer
    x = 11,692.70

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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.