Home / 13,296.30-19,909.35-10,651.38

Finding the Fourth Proportional to 13,296.30, 19,909.35 and 10,651.38

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Solution

The fourth proportional to 13,296.30, 19,909.35 and 10,651.38 is: 15,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.30 : 19,909.35 = 10,651.38 : x
  2. Step 2: Convert to fraction form
    13,296.30/19,909.35 = 10,651.38/x
  3. Step 3: Cross multiply
    13,296.30x = 19,909.35 × 10,651.38
  4. Step 4: Simplify right side
    13,296.30x = 212,062,052.40
  5. Step 5: Solve for x
    x = 212,062,052.40/13,296.30
  6. Step 6: Final answer
    x = 15,948.95

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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.