Home / 14,263.76-19,684-7,976.16

Finding the Fourth Proportional to 14,263.76, 19,684 and 7,976.16

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Solution

The fourth proportional to 14,263.76, 19,684 and 7,976.16 is: 11,007.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263.76 : 19,684 = 7,976.16 : x
  2. Step 2: Convert to fraction form
    14,263.76/19,684 = 7,976.16/x
  3. Step 3: Cross multiply
    14,263.76x = 19,684 × 7,976.16
  4. Step 4: Simplify right side
    14,263.76x = 157,002,733.44
  5. Step 5: Solve for x
    x = 157,002,733.44/14,263.76
  6. Step 6: Final answer
    x = 11,007.11

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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.