Home / 10,836.18-14,953.41-6,121.14

Finding the Fourth Proportional to 10,836.18, 14,953.41 and 6,121.14

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Solution

The fourth proportional to 10,836.18, 14,953.41 and 6,121.14 is: 8,446.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.18 : 14,953.41 = 6,121.14 : x
  2. Step 2: Convert to fraction form
    10,836.18/14,953.41 = 6,121.14/x
  3. Step 3: Cross multiply
    10,836.18x = 14,953.41 × 6,121.14
  4. Step 4: Simplify right side
    10,836.18x = 91,531,916.09
  5. Step 5: Solve for x
    x = 91,531,916.09/10,836.18
  6. Step 6: Final answer
    x = 8,446.88

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1.5x scale

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.