Home / 14,477.12-19,976.74-8,104.06

Finding the Fourth Proportional to 14,477.12, 19,976.74 and 8,104.06

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Solution

The fourth proportional to 14,477.12, 19,976.74 and 8,104.06 is: 11,182.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,477.12 : 19,976.74 = 8,104.06 : x
  2. Step 2: Convert to fraction form
    14,477.12/19,976.74 = 8,104.06/x
  3. Step 3: Cross multiply
    14,477.12x = 19,976.74 × 8,104.06
  4. Step 4: Simplify right side
    14,477.12x = 161,892,704.28
  5. Step 5: Solve for x
    x = 161,892,704.28/14,477.12
  6. Step 6: Final answer
    x = 11,182.66

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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.