Home / 11,757.02-16,218.90-8,565.35

Finding the Fourth Proportional to 11,757.02, 16,218.90 and 8,565.35

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Solution

The fourth proportional to 11,757.02, 16,218.90 and 8,565.35 is: 11,815.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,757.02 : 16,218.90 = 8,565.35 : x
  2. Step 2: Convert to fraction form
    11,757.02/16,218.90 = 8,565.35/x
  3. Step 3: Cross multiply
    11,757.02x = 16,218.90 × 8,565.35
  4. Step 4: Simplify right side
    11,757.02x = 138,920,474.02
  5. Step 5: Solve for x
    x = 138,920,474.02/11,757.02
  6. Step 6: Final answer
    x = 11,815.96

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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.