Home / 13,956.43-19,260.95-7,989.97

Finding the Fourth Proportional to 13,956.43, 19,260.95 and 7,989.97

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Solution

The fourth proportional to 13,956.43, 19,260.95 and 7,989.97 is: 11,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.43 : 19,260.95 = 7,989.97 : x
  2. Step 2: Convert to fraction form
    13,956.43/19,260.95 = 7,989.97/x
  3. Step 3: Cross multiply
    13,956.43x = 19,260.95 × 7,989.97
  4. Step 4: Simplify right side
    13,956.43x = 153,894,412.67
  5. Step 5: Solve for x
    x = 153,894,412.67/13,956.43
  6. Step 6: Final answer
    x = 11,026.77

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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.