Home / 11,895.85-16,416.39-6,590.74

Finding the Fourth Proportional to 11,895.85, 16,416.39 and 6,590.74

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Solution

The fourth proportional to 11,895.85, 16,416.39 and 6,590.74 is: 9,095.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.85 : 16,416.39 = 6,590.74 : x
  2. Step 2: Convert to fraction form
    11,895.85/16,416.39 = 6,590.74/x
  3. Step 3: Cross multiply
    11,895.85x = 16,416.39 × 6,590.74
  4. Step 4: Simplify right side
    11,895.85x = 108,196,158.23
  5. Step 5: Solve for x
    x = 108,196,158.23/11,895.85
  6. Step 6: Final answer
    x = 9,095.29

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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.