Home / 14,653.00-21,979.50-3,559.61

Finding the Fourth Proportional to 14,653.00, 21,979.50 and 3,559.61

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Solution

The fourth proportional to 14,653.00, 21,979.50 and 3,559.61 is: 5,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,653.00 : 21,979.50 = 3,559.61 : x
  2. Step 2: Convert to fraction form
    14,653.00/21,979.50 = 3,559.61/x
  3. Step 3: Cross multiply
    14,653.00x = 21,979.50 × 3,559.61
  4. Step 4: Simplify right side
    14,653.00x = 78,238,407.17
  5. Step 5: Solve for x
    x = 78,238,407.17/14,653.00
  6. Step 6: Final answer
    x = 5,339.41

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1.5x scale

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.