Home / 14,178.04-21,242.49-8,619.82

Finding the Fourth Proportional to 14,178.04, 21,242.49 and 8,619.82

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Solution

The fourth proportional to 14,178.04, 21,242.49 and 8,619.82 is: 12,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.04 : 21,242.49 = 8,619.82 : x
  2. Step 2: Convert to fraction form
    14,178.04/21,242.49 = 8,619.82/x
  3. Step 3: Cross multiply
    14,178.04x = 21,242.49 × 8,619.82
  4. Step 4: Simplify right side
    14,178.04x = 183,106,440.15
  5. Step 5: Solve for x
    x = 183,106,440.15/14,178.04
  6. Step 6: Final answer
    x = 12,914.79

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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.