Home / 13,214.70-19,857.15-7,296.30

Finding the Fourth Proportional to 13,214.70, 19,857.15 and 7,296.30

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Solution

The fourth proportional to 13,214.70, 19,857.15 and 7,296.30 is: 10,963.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.70 : 19,857.15 = 7,296.30 : x
  2. Step 2: Convert to fraction form
    13,214.70/19,857.15 = 7,296.30/x
  3. Step 3: Cross multiply
    13,214.70x = 19,857.15 × 7,296.30
  4. Step 4: Simplify right side
    13,214.70x = 144,883,723.55
  5. Step 5: Solve for x
    x = 144,883,723.55/13,214.70
  6. Step 6: Final answer
    x = 10,963.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.