Home / 11,898.17-16,386.18-11,639.88

Finding the Fourth Proportional to 11,898.17, 16,386.18 and 11,639.88

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Solution

The fourth proportional to 11,898.17, 16,386.18 and 11,639.88 is: 16,030.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898.17 : 16,386.18 = 11,639.88 : x
  2. Step 2: Convert to fraction form
    11,898.17/16,386.18 = 11,639.88/x
  3. Step 3: Cross multiply
    11,898.17x = 16,386.18 × 11,639.88
  4. Step 4: Simplify right side
    11,898.17x = 190,733,190.68
  5. Step 5: Solve for x
    x = 190,733,190.68/11,898.17
  6. Step 6: Final answer
    x = 16,030.47

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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.