Home / 14,141.60-21,212.40-3,754.40

Finding the Fourth Proportional to 14,141.60, 21,212.40 and 3,754.40

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Solution

The fourth proportional to 14,141.60, 21,212.40 and 3,754.40 is: 5,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.60 : 21,212.40 = 3,754.40 : x
  2. Step 2: Convert to fraction form
    14,141.60/21,212.40 = 3,754.40/x
  3. Step 3: Cross multiply
    14,141.60x = 21,212.40 × 3,754.40
  4. Step 4: Simplify right side
    14,141.60x = 79,639,834.56
  5. Step 5: Solve for x
    x = 79,639,834.56/14,141.60
  6. Step 6: Final answer
    x = 5,631.60

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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.