Home / 14,288.16-19,718.37-8,622.82

Finding the Fourth Proportional to 14,288.16, 19,718.37 and 8,622.82

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Solution

The fourth proportional to 14,288.16, 19,718.37 and 8,622.82 is: 11,899.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.16 : 19,718.37 = 8,622.82 : x
  2. Step 2: Convert to fraction form
    14,288.16/19,718.37 = 8,622.82/x
  3. Step 3: Cross multiply
    14,288.16x = 19,718.37 × 8,622.82
  4. Step 4: Simplify right side
    14,288.16x = 170,027,979.85
  5. Step 5: Solve for x
    x = 170,027,979.85/14,288.16
  6. Step 6: Final answer
    x = 11,899.92

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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.