Home / 13,103.52-19,630.12-10,315.48

Finding the Fourth Proportional to 13,103.52, 19,630.12 and 10,315.48

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Solution

The fourth proportional to 13,103.52, 19,630.12 and 10,315.48 is: 15,453.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.52 : 19,630.12 = 10,315.48 : x
  2. Step 2: Convert to fraction form
    13,103.52/19,630.12 = 10,315.48/x
  3. Step 3: Cross multiply
    13,103.52x = 19,630.12 × 10,315.48
  4. Step 4: Simplify right side
    13,103.52x = 202,494,110.26
  5. Step 5: Solve for x
    x = 202,494,110.26/13,103.52
  6. Step 6: Final answer
    x = 15,453.41

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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.