Home / 10,990.76-16,494.30-6,836.81

Finding the Fourth Proportional to 10,990.76, 16,494.30 and 6,836.81

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Solution

The fourth proportional to 10,990.76, 16,494.30 and 6,836.81 is: 10,260.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.76 : 16,494.30 = 6,836.81 : x
  2. Step 2: Convert to fraction form
    10,990.76/16,494.30 = 6,836.81/x
  3. Step 3: Cross multiply
    10,990.76x = 16,494.30 × 6,836.81
  4. Step 4: Simplify right side
    10,990.76x = 112,768,312.71
  5. Step 5: Solve for x
    x = 112,768,312.71/10,990.76
  6. Step 6: Final answer
    x = 10,260.29

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1.5x scale

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.