Home / 11,117.39-16,670.91-4,095.62

Finding the Fourth Proportional to 11,117.39, 16,670.91 and 4,095.62

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Solution

The fourth proportional to 11,117.39, 16,670.91 and 4,095.62 is: 6,141.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.39 : 16,670.91 = 4,095.62 : x
  2. Step 2: Convert to fraction form
    11,117.39/16,670.91 = 4,095.62/x
  3. Step 3: Cross multiply
    11,117.39x = 16,670.91 × 4,095.62
  4. Step 4: Simplify right side
    11,117.39x = 68,277,712.41
  5. Step 5: Solve for x
    x = 68,277,712.41/11,117.39
  6. Step 6: Final answer
    x = 6,141.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.