Home / 14,215.95-21,323.93-3,827.70

Finding the Fourth Proportional to 14,215.95, 21,323.93 and 3,827.70

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Solution

The fourth proportional to 14,215.95, 21,323.93 and 3,827.70 is: 5,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.95 : 21,323.93 = 3,827.70 : x
  2. Step 2: Convert to fraction form
    14,215.95/21,323.93 = 3,827.70/x
  3. Step 3: Cross multiply
    14,215.95x = 21,323.93 × 3,827.70
  4. Step 4: Simplify right side
    14,215.95x = 81,621,660.17
  5. Step 5: Solve for x
    x = 81,621,660.17/14,215.95
  6. Step 6: Final answer
    x = 5,741.55

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Similar ratio
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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.