Home / 11,732.90-16,191.69-6,427.72

Finding the Fourth Proportional to 11,732.90, 16,191.69 and 6,427.72

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Solution

The fourth proportional to 11,732.90, 16,191.69 and 6,427.72 is: 8,870.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,732.90 : 16,191.69 = 6,427.72 : x
  2. Step 2: Convert to fraction form
    11,732.90/16,191.69 = 6,427.72/x
  3. Step 3: Cross multiply
    11,732.90x = 16,191.69 × 6,427.72
  4. Step 4: Simplify right side
    11,732.90x = 104,075,649.65
  5. Step 5: Solve for x
    x = 104,075,649.65/11,732.90
  6. Step 6: Final answer
    x = 8,870.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.