Home / 10,779.35-16,141.94-6,818.66

Finding the Fourth Proportional to 10,779.35, 16,141.94 and 6,818.66

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Solution

The fourth proportional to 10,779.35, 16,141.94 and 6,818.66 is: 10,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.35 : 16,141.94 = 6,818.66 : x
  2. Step 2: Convert to fraction form
    10,779.35/16,141.94 = 6,818.66/x
  3. Step 3: Cross multiply
    10,779.35x = 16,141.94 × 6,818.66
  4. Step 4: Simplify right side
    10,779.35x = 110,066,331.29
  5. Step 5: Solve for x
    x = 110,066,331.29/10,779.35
  6. Step 6: Final answer
    x = 10,210.85

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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.