Home / 13,019.08-19,528.63-3,658.72

Finding the Fourth Proportional to 13,019.08, 19,528.63 and 3,658.72

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Solution

The fourth proportional to 13,019.08, 19,528.63 and 3,658.72 is: 5,488.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019.08 : 19,528.63 = 3,658.72 : x
  2. Step 2: Convert to fraction form
    13,019.08/19,528.63 = 3,658.72/x
  3. Step 3: Cross multiply
    13,019.08x = 19,528.63 × 3,658.72
  4. Step 4: Simplify right side
    13,019.08x = 71,449,789.15
  5. Step 5: Solve for x
    x = 71,449,789.15/13,019.08
  6. Step 6: Final answer
    x = 5,488.08

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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.