Home / 13,238.14-19,818.84-10,307.56

Finding the Fourth Proportional to 13,238.14, 19,818.84 and 10,307.56

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Solution

The fourth proportional to 13,238.14, 19,818.84 and 10,307.56 is: 15,431.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.14 : 19,818.84 = 10,307.56 : x
  2. Step 2: Convert to fraction form
    13,238.14/19,818.84 = 10,307.56/x
  3. Step 3: Cross multiply
    13,238.14x = 19,818.84 × 10,307.56
  4. Step 4: Simplify right side
    13,238.14x = 204,283,882.43
  5. Step 5: Solve for x
    x = 204,283,882.43/13,238.14
  6. Step 6: Final answer
    x = 15,431.46

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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.