Home / 13,293.91-19,937.85-3,934.63

Finding the Fourth Proportional to 13,293.91, 19,937.85 and 3,934.63

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Solution

The fourth proportional to 13,293.91, 19,937.85 and 3,934.63 is: 5,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.91 : 19,937.85 = 3,934.63 : x
  2. Step 2: Convert to fraction form
    13,293.91/19,937.85 = 3,934.63/x
  3. Step 3: Cross multiply
    13,293.91x = 19,937.85 × 3,934.63
  4. Step 4: Simplify right side
    13,293.91x = 78,448,062.75
  5. Step 5: Solve for x
    x = 78,448,062.75/13,293.91
  6. Step 6: Final answer
    x = 5,901.05

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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.