Home / 17,779.84-26,672.46-6,687.30

Finding the Fourth Proportional to 17,779.84, 26,672.46 and 6,687.30

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Solution

The fourth proportional to 17,779.84, 26,672.46 and 6,687.30 is: 10,031.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,779.84 : 26,672.46 = 6,687.30 : x
  2. Step 2: Convert to fraction form
    17,779.84/26,672.46 = 6,687.30/x
  3. Step 3: Cross multiply
    17,779.84x = 26,672.46 × 6,687.30
  4. Step 4: Simplify right side
    17,779.84x = 178,366,741.76
  5. Step 5: Solve for x
    x = 178,366,741.76/17,779.84
  6. Step 6: Final answer
    x = 10,031.97

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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.