Home / 13,296.30-19,920.15-10,817.70

Finding the Fourth Proportional to 13,296.30, 19,920.15 and 10,817.70

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Solution

The fourth proportional to 13,296.30, 19,920.15 and 10,817.70 is: 16,206.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.30 : 19,920.15 = 10,817.70 : x
  2. Step 2: Convert to fraction form
    13,296.30/19,920.15 = 10,817.70/x
  3. Step 3: Cross multiply
    13,296.30x = 19,920.15 × 10,817.70
  4. Step 4: Simplify right side
    13,296.30x = 215,490,206.66
  5. Step 5: Solve for x
    x = 215,490,206.66/13,296.30
  6. Step 6: Final answer
    x = 16,206.78

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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.