Home / 11,743.16-16,205.55-6,437.86

Finding the Fourth Proportional to 11,743.16, 16,205.55 and 6,437.86

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Solution

The fourth proportional to 11,743.16, 16,205.55 and 6,437.86 is: 8,884.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.16 : 16,205.55 = 6,437.86 : x
  2. Step 2: Convert to fraction form
    11,743.16/16,205.55 = 6,437.86/x
  3. Step 3: Cross multiply
    11,743.16x = 16,205.55 × 6,437.86
  4. Step 4: Simplify right side
    11,743.16x = 104,329,021.61
  5. Step 5: Solve for x
    x = 104,329,021.61/11,743.16
  6. Step 6: Final answer
    x = 8,884.24

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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.