Home / 14,188.26-19,579.80-7,901.04

Finding the Fourth Proportional to 14,188.26, 19,579.80 and 7,901.04

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Solution

The fourth proportional to 14,188.26, 19,579.80 and 7,901.04 is: 10,903.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.26 : 19,579.80 = 7,901.04 : x
  2. Step 2: Convert to fraction form
    14,188.26/19,579.80 = 7,901.04/x
  3. Step 3: Cross multiply
    14,188.26x = 19,579.80 × 7,901.04
  4. Step 4: Simplify right side
    14,188.26x = 154,700,782.99
  5. Step 5: Solve for x
    x = 154,700,782.99/14,188.26
  6. Step 6: Final answer
    x = 10,903.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.