Home / 13,293.52-19,940.35-3,432.12

Finding the Fourth Proportional to 13,293.52, 19,940.35 and 3,432.12

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Solution

The fourth proportional to 13,293.52, 19,940.35 and 3,432.12 is: 5,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.52 : 19,940.35 = 3,432.12 : x
  2. Step 2: Convert to fraction form
    13,293.52/19,940.35 = 3,432.12/x
  3. Step 3: Cross multiply
    13,293.52x = 19,940.35 × 3,432.12
  4. Step 4: Simplify right side
    13,293.52x = 68,437,665.46
  5. Step 5: Solve for x
    x = 68,437,665.46/13,293.52
  6. Step 6: Final answer
    x = 5,148.20

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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.