Home / 14,190.97-21,276.57-6,289.18

Finding the Fourth Proportional to 14,190.97, 21,276.57 and 6,289.18

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Solution

The fourth proportional to 14,190.97, 21,276.57 and 6,289.18 is: 9,429.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.97 : 21,276.57 = 6,289.18 : x
  2. Step 2: Convert to fraction form
    14,190.97/21,276.57 = 6,289.18/x
  3. Step 3: Cross multiply
    14,190.97x = 21,276.57 × 6,289.18
  4. Step 4: Simplify right side
    14,190.97x = 133,812,178.51
  5. Step 5: Solve for x
    x = 133,812,178.51/14,190.97
  6. Step 6: Final answer
    x = 9,429.39

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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.