Home / 10,977.32-16,461.90-6,811.16

Finding the Fourth Proportional to 10,977.32, 16,461.90 and 6,811.16

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Solution

The fourth proportional to 10,977.32, 16,461.90 and 6,811.16 is: 10,214.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.32 : 16,461.90 = 6,811.16 : x
  2. Step 2: Convert to fraction form
    10,977.32/16,461.90 = 6,811.16/x
  3. Step 3: Cross multiply
    10,977.32x = 16,461.90 × 6,811.16
  4. Step 4: Simplify right side
    10,977.32x = 112,124,634.80
  5. Step 5: Solve for x
    x = 112,124,634.80/10,977.32
  6. Step 6: Final answer
    x = 10,214.21

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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.