Home / 13,695.40-18,898.20-10,112.24

Finding the Fourth Proportional to 13,695.40, 18,898.20 and 10,112.24

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Solution

The fourth proportional to 13,695.40, 18,898.20 and 10,112.24 is: 13,953.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.40 : 18,898.20 = 10,112.24 : x
  2. Step 2: Convert to fraction form
    13,695.40/18,898.20 = 10,112.24/x
  3. Step 3: Cross multiply
    13,695.40x = 18,898.20 × 10,112.24
  4. Step 4: Simplify right side
    13,695.40x = 191,103,133.97
  5. Step 5: Solve for x
    x = 191,103,133.97/13,695.40
  6. Step 6: Final answer
    x = 13,953.82

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