Home / 18,695.32-28,036.91-6,211.99

Finding the Fourth Proportional to 18,695.32, 28,036.91 and 6,211.99

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Solution

The fourth proportional to 18,695.32, 28,036.91 and 6,211.99 is: 9,315.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.32 : 28,036.91 = 6,211.99 : x
  2. Step 2: Convert to fraction form
    18,695.32/28,036.91 = 6,211.99/x
  3. Step 3: Cross multiply
    18,695.32x = 28,036.91 × 6,211.99
  4. Step 4: Simplify right side
    18,695.32x = 174,165,090.17
  5. Step 5: Solve for x
    x = 174,165,090.17/18,695.32
  6. Step 6: Final answer
    x = 9,315.97

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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.