Home / 11,909.51-16,435.95-6,604.82

Finding the Fourth Proportional to 11,909.51, 16,435.95 and 6,604.82

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Solution

The fourth proportional to 11,909.51, 16,435.95 and 6,604.82 is: 9,115.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.51 : 16,435.95 = 6,604.82 : x
  2. Step 2: Convert to fraction form
    11,909.51/16,435.95 = 6,604.82/x
  3. Step 3: Cross multiply
    11,909.51x = 16,435.95 × 6,604.82
  4. Step 4: Simplify right side
    11,909.51x = 108,556,491.28
  5. Step 5: Solve for x
    x = 108,556,491.28/11,909.51
  6. Step 6: Final answer
    x = 9,115.11

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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.