Home / 13,960.32-19,263.38-8,653.20

Finding the Fourth Proportional to 13,960.32, 19,263.38 and 8,653.20

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Solution

The fourth proportional to 13,960.32, 19,263.38 and 8,653.20 is: 11,940.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.32 : 19,263.38 = 8,653.20 : x
  2. Step 2: Convert to fraction form
    13,960.32/19,263.38 = 8,653.20/x
  3. Step 3: Cross multiply
    13,960.32x = 19,263.38 × 8,653.20
  4. Step 4: Simplify right side
    13,960.32x = 166,689,879.82
  5. Step 5: Solve for x
    x = 166,689,879.82/13,960.32
  6. Step 6: Final answer
    x = 11,940.26

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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.