Home / 14,318.08-21,476.16-3,928.96

Finding the Fourth Proportional to 14,318.08, 21,476.16 and 3,928.96

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Solution

The fourth proportional to 14,318.08, 21,476.16 and 3,928.96 is: 5,893.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.08 : 21,476.16 = 3,928.96 : x
  2. Step 2: Convert to fraction form
    14,318.08/21,476.16 = 3,928.96/x
  3. Step 3: Cross multiply
    14,318.08x = 21,476.16 × 3,928.96
  4. Step 4: Simplify right side
    14,318.08x = 84,378,973.59
  5. Step 5: Solve for x
    x = 84,378,973.59/14,318.08
  6. Step 6: Final answer
    x = 5,893.18

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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.