Home / 14,288.35-19,717.47-7,914.68

Finding the Fourth Proportional to 14,288.35, 19,717.47 and 7,914.68

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Solution

The fourth proportional to 14,288.35, 19,717.47 and 7,914.68 is: 10,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.35 : 19,717.47 = 7,914.68 : x
  2. Step 2: Convert to fraction form
    14,288.35/19,717.47 = 7,914.68/x
  3. Step 3: Cross multiply
    14,288.35x = 19,717.47 × 7,914.68
  4. Step 4: Simplify right side
    14,288.35x = 156,057,465.46
  5. Step 5: Solve for x
    x = 156,057,465.46/14,288.35
  6. Step 6: Final answer
    x = 10,922.01

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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.