Home / 13,854.61-20,781.96-3,466.36

Finding the Fourth Proportional to 13,854.61, 20,781.96 and 3,466.36

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Solution

The fourth proportional to 13,854.61, 20,781.96 and 3,466.36 is: 5,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.61 : 20,781.96 = 3,466.36 : x
  2. Step 2: Convert to fraction form
    13,854.61/20,781.96 = 3,466.36/x
  3. Step 3: Cross multiply
    13,854.61x = 20,781.96 × 3,466.36
  4. Step 4: Simplify right side
    13,854.61x = 72,037,754.87
  5. Step 5: Solve for x
    x = 72,037,754.87/13,854.61
  6. Step 6: Final answer
    x = 5,199.55

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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.