Home / 10,836.40-16,256.87-6,158.57

Finding the Fourth Proportional to 10,836.40, 16,256.87 and 6,158.57

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Solution

The fourth proportional to 10,836.40, 16,256.87 and 6,158.57 is: 9,239.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.40 : 16,256.87 = 6,158.57 : x
  2. Step 2: Convert to fraction form
    10,836.40/16,256.87 = 6,158.57/x
  3. Step 3: Cross multiply
    10,836.40x = 16,256.87 × 6,158.57
  4. Step 4: Simplify right side
    10,836.40x = 100,119,041.08
  5. Step 5: Solve for x
    x = 100,119,041.08/10,836.40
  6. Step 6: Final answer
    x = 9,239.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.