Home / 13,103.68-19,648.70-4,335.42

Finding the Fourth Proportional to 13,103.68, 19,648.70 and 4,335.42

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Solution

The fourth proportional to 13,103.68, 19,648.70 and 4,335.42 is: 6,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.68 : 19,648.70 = 4,335.42 : x
  2. Step 2: Convert to fraction form
    13,103.68/19,648.70 = 4,335.42/x
  3. Step 3: Cross multiply
    13,103.68x = 19,648.70 × 4,335.42
  4. Step 4: Simplify right side
    13,103.68x = 85,185,366.95
  5. Step 5: Solve for x
    x = 85,185,366.95/13,103.68
  6. Step 6: Final answer
    x = 6,500.87

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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.